From the results of the above inspection the malfunctioning part can now be considered normal To make sure of this use the simulation method to check

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DI6PH-12

DTC

B0117/45

Short in Side Squib (LH) Circuit

(to Ground)

circuit description

The side squib (LH) circuit consists of the airbag sensor assembly and side airbag assembly (LH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0117/45 is recorded when ground short is detected in the side squib (LH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0117/45

• Short circuit in side squib (LH) wire harness (to ground)

• Side squib (LH) malfunction

• Airbag sensor assembly malfunction

• Airbag sensor assembly

• Wire harness

wiring diagram

See page DI-566.

inspection procedure

1

Prepare for inspection (See step 1 on page DI-642).

2

Check side squib (LH) circuit.

Side Squib (LH)

CHECK:

For the connector (on the side airbag assembly (LH) side) between the side airbag assembly (LH) and the airbag sensor assembly, measure the resistance between SFL+ and body ground. OK:

Resistance: 1 Mil or Higher

Repair or replace harness or connector between side airbag assembly (LH) and airbag sensor assembly.

Side Squib (LH)

I Airbag Sensor ! Assembly

SFL+

SFL+

Check airbag sensor assembly.

Side Squib (LH)

SFL-

SFL-

Airbag Sensor Assembly

SFL+

SFL+

DLC3

DLC3

OG TO

HQ1Q17

HQ9671 ABQ119 H1Q6QQ HQ1Q71

OG TO

HQ1Q17

HQ9671 ABQ119 H1Q6QQ HQ1Q71

H13043

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Using a service wire, connect SFL+ and SFL- of the connector (on the side airbag assembly (LH) side) between the side airbag assembly (LH) and the airbag sensor assembly.

(c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0117/45 is not output.

HINT:

Codes other than code B0117/45 may be output at this time, but they are not relevant to this check.

Check side squib (LH).

Side Squib (LH)

Squib Srs Toyota Sienna

DLC3

H01018 AB0119 H10600 H01071

DLC3

H01018 AB0119 H10600 H01071

DTC B0117/45

_fififin_niuifiri_

H12030

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the side airbag assembly (LH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

Check the DTC (See page DI-509).

DTC B0117/45 is not output.

HINT:

Codes other than code B0117/45 may be output at this time, but they are not relevant to this check.

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check. If the malfunctioning part can not be detected by the simulation method, replace all SRS components including the wire harness.

DTC

B0118/46

Short in Side Squib (LH) Circuit (to B+)

CIRCUIT DESCRIPTION

The side squib (LH) circuit consists of the airbag sensor assembly and side airbag assembly (LH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0118/46 is recorded when a B+ short is detected in the side squib (LH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0118/46

• Short circuit in side squib (LH) wire harness (to B+)

• Side squib (LH) malfunction

• Airbag sensor assembly malfunction

• Airbag sensor assembly

• Wire harness

WIRING DIAGRAM

See page DI-566. INSPECTION PROCEDURE

1

Prepare for inspection (See step 1 on page DI-642).

2

Check side squib (LH) circuit.

CHECK:

(a) Turn the ignition switch to ON.

(b) For the connector (on the side airbag assembly (LH) side) between the side airbag assembly (LH) and the airbag sensor assembly, measure the voltage between SFL+ and body ground.

Voltage: 0 V

Repair or replace harness or connector between side airbag assembly (LH) and airbag sensor assembly.

Side Squib (LH)

Side Squib (LH)

AB0119 H01016 H09670

H12958

H12958

Check airbag sensor assembly.

Side Squib (LH)

SFL+

SFL+

DLC3

DTC B0118/46

DLC3

CG TC

H09671 AB0119 H10600 H01072

CG TC

H01017

H09671 AB0119 H10600 H01072

H13044

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Using a service wire, connect SFL+ and SFL- of the connector (on the side airbag assembly (LH) side) between the side airbag assembly (LH) and the airbag sensor assembly.

(c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0118/46 is not output.

HINT:

Codes other than code B0118/46 may be output at this time, but they are not relevant to this check.

Transistor 13007

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the side airbag assembly (LH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0118/46 is not output.

HINT:

Codes other than code B0118/46 may be output at this time, but they are not relevant to this check.

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check. If the malfunctioning part can not be detected by the simulation method, replace all SRS components including the wire harness.

DI6PJ-20

DTC

BG13G/63

Short in P/T Squib (RH) Circuit

CIRCUIT DESCRIPTION

The P/T squib (RH) circuit consists of the airbag sensor assembly and seat belt pretensioner (RH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0130/63 is recorded when a short is detected in the P/T squib (RH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0130/63

• Short circuit between PR+ wire harness and PR- wire harness of squib

• Airbag sensor assembly malfunction

• Seat belt pretensioner (RH)

• Airbag sensor assembly

• Wire harness

WiRiNG DiAGRAM

Airbag Sensor Assembly

Airbag Sensor Assembly

r

N

PR+

PR-

inspection procedure

Toyota B0132

PREPARATION:

Release the airbag activation prevention mechanism of the connector (on the airbag sensor assembly side) between the airbag sensor assembly and the seat belt pretensioner (RH) (See page DI-509). CHECK:

For the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the airbag sensor assembly, measure the resistance between PR+ and PR-. OK:

Resistance: 1 MQ or Higher

Repair or replace harness or connector between seat belt pretensioner (RH) and airbag sensor assembly.

Check airbag sensor assembly.

J Airbag ^Sensor j Assembly

DLC3

DLC3

CG TC

H01020 AB0119

H10600 H01082

DTC B0130/63

CG TC

H01020 AB0119

H10600 H01082

H10619

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0130/63 is not output.

HINT:

Codes other than code B0130/63 may be output at this time, but they are not relevant to this check.

H10619

Ai Ai

Airbag

Sensor

Assembly

DLC3

DLC3

OG TO

OG TO

H01021 AB0119

H10600 H01082

H10620

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the seat belt pretensioner (RH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0130/63 is not output.

HINT:

Codes other than code B0130/63 may be output at this time, but they are not relevant to this check.

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check.

DTC

B0131/64

Open in P/T Squib (RH) Circuit

circuit description

The P/T squib circuit (RH) consists of the airbag sensor assembly and seat belt pretensioner (RH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0131/64 is recorded when an open is detected in the P/T squib (RH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0131/64

• Open circuit in PR+ wire harness or PR- wire harness of squib

• Airbag sensor assembly malfunction

• Seat belt pretensioner (RH)

• Airbag sensor assembly

• Wire harness

wiring diagram

See page DI-579. inspection procedure

H01019 H02141

Airbag

Sensor

Assembly

Airbag

Sensor

Assembly

PR-

H02205

CHECK:

For the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the airbag sensor assembly, measure the resistance between PR+ and PR-. OK:

Resistance: Below 1 Q

Repair or replace harness or connector between seat belt pretensioner (RH) and airbag sensor assembly.

H01019 H02141

Check airbag sensor assembly.

DLC3

DLC3

OG TO

H01020

H02139 AB0119 H10600 H01083

OG TO

H01020

H02139 AB0119 H10600 H01083

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Using a service wire, connect PR+ and PR- of the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the airbag sensor assembly.

(c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0131/64 is not output.

HINT:

Codes other than code B0131/64 may be output at this time, but they are not relevant to this check.

H10621

Airbag

Sensor

Assembly

DLC3

DLC3

CG TC

H01021 AB0119

H10600 H010B3

DTC BQ131/64

CG TC

H01021 AB0119

H10600 H010B3

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the seat belt pretensioner (RH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0131/64 is not output.

HINT:

Codes other than code B0131/64 may be output at this time, but they are not relevant to this check.

H1Q622

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check.

DI6PL-10

DTC

B0132/61

Short in P/T Squib (RH) Circuit

(to Ground)

circuit description

The P/T squib (RH) circuit consists of the airbag sensor assembly and seat belt pretensioner (RH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0132/61 is recorded when a ground short is detected in the P/T squib (RH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0132/61

• Short circuit in P/T squib (RH) wire harness (to ground)

• Airbag sensor assembly malfunction

• Seat belt pretensioner (RH)

• Airbag sensor assembly

• Wire harness

wiring diagram

See page DI-579.

inspection procedure

CHECK:

For the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the airbag sensor assembly, measure the resistance between PR+ and body ground. OK:

Resistance: 1 Mil or Higher

Repair or replace harness or connector between seat belt pretensioner (RH) and airbag sensor assembly.

Check airbag sensor assembly.

Airbag Sensor Assembly

DLC3

DLC3

CG TC

H01020 H02139

AB011B AB0119 H10600 H01079

DTC B0132/61

CG TC

H01020 H02139

AB011B AB0119 H10600 H01079

H10623

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Using a service wire, connect PR+ and PR- of the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the airbag sensor assembly.

(c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0132/61 is not output.

HINT:

Codes other than code B0132/61 may be output at this time, but they are not relevant to this check.

Airbag

Sensor

Assembly

DLC3

DLC3

CG TC

H10600 H01079

DTC B0132/61

CG TC

H10600 H01079

H01021 AB0119

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the seat belt pretensioner (RH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0132/61 is not output.

HINT:

Codes other than code B0132/61 may be output at this time, but they are not relevant to this check.

H10624

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check. If the malfunctioning part can not be detected by the simulation method, replace all SRS components including the wire harness.

DI6PM-10

DTC

B0133/62

Short in P/T Squib (RH) Circuit (to B+)

CIRCUIT DESCRIPTION

The P/T squib (RH) circuit consists of the airbag sensor assembly and seat belt pretensioner (RH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0133/62 is recorded when a B+ short is detected in the P/T squib (RH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0133/62

• Short circuit in seat belt pretensioner (RH) wire harness (to B+)

• Airbag sensor assembly malfunction

• Seat belt pretensioner (RH)

• Airbag sensor assembly

• Wire harness

WIRING DIAGRAM

See page DI-579.

INSPECTION PROCEDURE

Celica Seat Belt Pretensioner

CHECK:

(a) Turn the ignition switch to ON.

(b) For the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the air-bag sensor assembly, measure the voltage between PR+ and body ground.

Voltage: 0 V

Repair or replace harness or connector between seat belt pretensioner (RH) and airbag sensor assembly.

Check airbag sensor assembly.

PR+

DLC3

DLC3

OG TO

H01020

H02139 AB0119 H10600 H01081

OG TO

H01020

H02139 AB0119 H10600 H01081

H10625

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Using a service wire, connect PR+ and PR- of the connector (on the seat belt pretensioner (RH) side) between the seat belt pretensioner (RH) and the airbag sensor assembly.

(c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0133/62 is not output.

HINT:

Codes other than code B0133/62 may be output at this time, but they are not relevant to this check.

Airbag

Sensor

Assembly

DLC3

DLC3

CG TC

H01021 AB0119

H10600 H01081

DTC B0133/62

CG TC

H01021 AB0119

H10600 H01081

H10626

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the seat belt pretensioner (RH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See step 5 on page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0133/62 is not output.

HINT:

Codes other than code B0133/62 may be output at this time, but they are not relevant to this check.

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check. If the malfunctioning part can not be detected by the simulation method, replace all SRS components including the wire harness.

DI6PN-20

DTC

B0135/73

Short in P/T Squib (LH) Circuit

circuit description

The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0135/73 is recorded when a short is detected in the P/T squib (LH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0135/73

• Short circuit between PL+ wire harness and PL- wire harness of squib

• Airbag sensor assembly malfunction

• Seat belt pretensioner (LH)

• Airbag sensor assembly

• Wire harness

wiring diagram

Seatbelt Sensor Malfunction

inspection procedure

PREPARATION:

Release the airbag activation prevention mechanism of the connector (on the airbag sensor assembly side) between the airbag sensor assembly and the seat belt pretensioner (LH) (See page DI-509). CHECK:

For the connector (on the seat belt pretensioner (LH) side) between the seat belt pretensioner (LH) and the airbag sensor assembly, measure the resistance between PL+ and PL-. OK:

Resistance: 1 MQ or Higher

Repair or replace harness or connector between seat belt pretensioner (LH) and airbag sensor assembly.

Lexus B1400

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0135/73 is not output.

HINT:

Codes other than code B0135/73 may be output at this time, but they are not relevant to this check.

Airbag

Sensor

Assembly

DLC3

DLC3

OG TO

HG1G1B ABG119

H1G6GG HG1GB6

OG TO

HG1G1B ABG119

H1G6GG HG1GB6

H10628

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the seat belt pretensioner (LH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

Check the DTC (See page DI-509).

DTC B0135/73 is not output.

HINT:

Codes other than code B0135/73 may be output at this time, but they are not relevant to this check.

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check.

DI6P0-10

DTC

B0136/74

Open in P/T Squib (LH) Circuit

circuit description

The P/T squib circuit (LH) consists of the airbag sensor assembly and seat belt pretensioner (LH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0136/74 is recorded when an open is detected in the P/T squib (LH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

B0136/74

• Open circuit in PL+ wire harness or PL- wire harness of squib

• Airbag sensor assembly malfunction

• Seat belt pretensioner (LH)

• Airbag sensor assembly

• Wire harness

wiring diagram

See page DI-592.

inspection procedure

1

Prepare for inspection (See step 1 on page DI-642).

2

Check P/T squib (LH) circuit.

CHECK:

For the connector (on the seat belt pretensioner (LH) side) between the seat belt pretensioner (LH) and the airbag sensor assembly, measure the resistance between PL+ and PL-. OK:

Resistance: Below 1 Q

Repair or replace harness or connector between seat belt pretensioner (LH) and airbag sensor assembly.

Airbag Sensor Assembly

Squib Corolla

Check airbag sensor assembly.

DLC3

DLC3

CG TC

HC1C17

HC2139ABC119 H1C6CC HC1CB7

DTC B0136/74

CG TC

HC1C17

HC2139ABC119 H1C6CC HC1CB7

H10629

PREPARATION:

(a) Connect the connector to the airbag sensor assembly.

(b) Using a service wire, connect PL+ and PL- of the connector (on the seat belt pretensioner (LH) side) between the seat belt pretensioner (LH) and the airbag sensor assembly.

(c) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

Check the DTC (See page DI-509).

DTC B0136/74 is not output.

HINT:

Codes other than code B0136/74 may be output at this time, but they are not relevant to this check.

Airbag

Sensor

Assembly

DLC3

DLC3

CG TC

HQ1Q1B ABQ119

H1Q6QQ HQ1QB7

DTC B0136/74

CG TC

HQ1Q1B ABQ119

H1Q6QQ HQ1QB7

H10630

PREPARATION:

(a) Turn the ignition switch to LOCK.

(b) Disconnect negative (-) terminal cable from the battery, and wait at least for 90 seconds.

(c) Connect the seat belt pretensioner (LH) connector.

(d) Connect negative (-) terminal cable to the battery, and wait at least for 2 seconds.

CHECK:

(a) Turn the ignition switch to ON, and wait at least for 20 seconds.

(b) Clear the DTC stored in memory (See page DI-509).

(c) Turn the ignition switch to LOCK, and wait at least for 20 seconds.

(d) Turn the ignition switch to ON, and wait at least for 20 seconds.

DTC B0136/74 is not output.

HINT:

Codes other than code B0136/74 may be output at this time, but they are not relevant to this check.

From the results of the above inspection, the malfunctioning part can now be considered normal. To make sure of this, use the simulation method to check.

DI6PP-1Ü

DTC

B0137/71

Short in P/T Squib (LH) Circuit

(to Ground)

circuit description

The P/T squib (LH) circuit consists of the airbag sensor assembly and seat belt pretensioner (LH). It causes the SRS to deploy when the SRS deployment conditions are satisfied. For details of the function of each component, see OPERATION on page RS-2. DTC B0137/71 is recorded when a ground short is detected in the P/T squib (LH) circuit.

DTC No.

DTC Detecting Condition

Trouble Area

BÜ137/71

• Short circuit in P/T squib (LH) wire harness (to ground)

• Airbag sensor assembly malfunction

• Seat belt pretensioner (LH)

• Airbag sensor assembly

• Wire harness

wiring diagram

See page DI-592. inspection procedure

H01016 HG8392

Airbag

Sensor

Assembly

HÜ8396

CHECK:

For the connector (on the seat belt pretensioner (LH) side) between the seat belt pretensioner (LH) and the airbag sensor assembly, measure the resistance between PL+ and body ground. OK:

Resistance: 1 MQ or Higher

Repair or replace harness or connector between seat belt pretensioner (LH) and airbag sensor assembly.

Check airbag sensor assembly.

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Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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Responses

  • zemzem
    Where is airbag sensor in seat belt on rav4?
    8 years ago
  • caelan mackay
    How do you check the pretensioner sensor on a 200 toyota celica?
    4 years ago

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