Inspection Procedure

NOTICE:

When replacing the ABS & TRACTION actuator assembly, perform zero point calibration (See page BC-104).

INSPECT DLC3 TERMINAL VOLTAGE (TC TERMINAL VOLTAGE)

Code U0073

(a) Turn the ignition switch on (IG).

(b) Measure the voltage according to the value(s) in the table below.

Voltage

Tester Connection

Condition

Specified Condition

D20-13 (TC) - Body ground

Ignition switch on (IG)

10 to 14 V

(c) Measure the resistance according to the value(s) in the table below. Resistance

NGj>

Go to step 4

Tester Connection

Specified Condition

D20-4 (CG) - Body ground

CHECK HARNESS AND CONNECTOR (ECM TO DLC3)

(a) Disconnect the ECM connector.

(b) Measure the resistance according to the value(s) in the table below.

Resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR (TC TERMINAL CIRCUIT)

Tester Connection

Specified Condition

A24-23 (TC) - D20-13 (TC)

Below 1 Q

(c) Measure the resistance according to the value(s) in the

table below.

Resistance

Tester Connection

Specified Condition

D20-13 (TC) - Body ground

10 kQ or higher

CHECK CAN COMMUNICATION SYSTEM

(a) Check if the CAN communication system DTC is output (See page CA-15).

Result

Result

Proceed to

DTC is not output

A

DTC is output

If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (See page BC-117).

REPAIR CIRCUIT INDICATED BY OUTPUT CODE

REPLACE ABS & TRACTION ACTUATOR ASSEMBLY

CHECK HARNESS AND CONNECTOR (ECM TO DLC3)

DLC3

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

C130012E04

(a) Disconnect the ECM connector.

(b) Measure the resistance according to the value(s) in the table below.

Resistance

Tester Connection

Specified Condition

A24-23 (TC) - D20-13 (TC)

Below 1 Q

(c) Measure the resistance according to the value(s) in the

table below.

Resistance

Tester Connection

Specified Condition

D20-13 (TC) - Body ground

10 kQ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR (TC CIRCUIT)

CHECK HARNESS AND CONNECTOR (DLC3 TO BODY GROUND)

(a) Measure the resistance according to the value(s) in the table below. Resistance

Tester Connection

Specified Condition

D20-4 (CG) - Body ground

REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT)

CHECK ECM (DLC3 (TC) INPUT)

(a) Using SST, connect the terminals TC and CG of the DLC3.

SST 09843-18040

(b) Check that the engine warning light is blinking. Result

Engine warning light is blinking

Engine warning light is not blinking

A

REPLACE ECM

CHECK CAN COMMUNICATION SYSTEM

(a) Check if the CAN communication system DTC is output (See page CA-15).

Result

Result

Proceed to

DTC is not output

A

DTC is output

If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (See page CA-15).

REPAIR CIRCUIT INDICATED BY OUTPUT CODE

REPLACE ABS & TRACTION ACTUATOR ASSEMBLY

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