Ok

CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL J/B ASSEMBLY - BATTERY AND GROUND)

(a) Disconnect the IA instrument panel J/B assembly connector.

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

Standard voltage

Tester Connection

Condition

Specified Condition

IA-1 - Body ground

Always

10 to 14 V

Wire Harness Side:

Instrument Panel J/B Assembly

1

2

3

4

5

6

7

8

9

n

11

12

13

14

15

16

17

18

19

20

(c) Disconnect the IF instrument panel J/B assembly connector.

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

Standard resistance

Tester Connection

Condition

Specified Condition

IF-10 - Body ground

Always

Below 1 Q

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK VEHICLE CONDITION

(a) Check the vehicle condition.

Result

Condition

Proceed to

without Smart Key System

A

with Smart Key System

Go to step 8

CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL J/B ASSEMBLY - IGNITION SWITCH)

Wire Harness Side:

Instrument Panel J/B Assembly

3

4

5

8

g

10

(a) Disconnect the E23 ignition switch connector.

(b) Disconnect the II instrument panel J/B assembly connector.

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

Standard resistance

Ignition Switch

Tester Connection

Condition

Specified Condition

II-3 - E23-2 (ACC)

Always

Below 1 Q

II-4 - E23-4 (AMI)

Always

Below 1 Q

II-9 - E23-1 (IG1)

Always

Below 1 Q

II-3 - Body ground

Always

10 kQ or higher

II-4 - Body ground

Always

10 kQ or higher

II-9 - Body ground

Always

10 kQ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT IGNITION SWITCH

(a) Inspect the ignition switch (See page ST-155) OK:

Ignition switch is normal.

REPLACE IGNITION SWITCH

REPLACE INSTRUMENT PANEL J/B ASSEMBLY

CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU)

Wire Harness Side:

Main Body ECU

Qf^lEl

1

2

3

4

s

6"

7

8

9

10

up;

13

14

15

16

17

18

19

20

21

22

23

24

25

26

1

-AM1

(a) Disconnect the E7 main body ECU connector.

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

Standard voltage

Tester Connection

Condition

Specified Condition

E7-6 (AMI) - Body ground

Always

10 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL J/B ASSEMBLY - MAIN BODY ECU)

Wire Harness Side:

Instrument Panel J/B Assembly

3

4

5

8

g

Main Body ECU

(a) Disconnect the E7 main body ECU connector.

(b) Disconnect the II instrument panel J/B assembly connector.

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

Standard resistance

Tester Connection

Condition

Specified Condition

II-3 - E7-22 (ACCD)

Always

Below 1 Q

II-9 - E7-3 (IG1D)

Always

Below 1 Q

II-3 - Body ground

Always

10 kQ or higher

II-9 - Body ground

Always

10 kQ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)

Wire Harness Side:

Engine Switch

8 910111213-4

Main Body ECU

3 4

7

8

9

10

1112

13

14

15

6

17

18

19

20

21

22

23

24

5

26

I 1-11-1 1_

—"—"—

SSW2

(a) Disconnect the E52 engine switch connector.

(b) Disconnect the E7 main body ECU connector.

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

Standard resistance

Tester Connection

Condition

Specified Condition

E52-7 (SS1) - E7-17 (SSW1)

Always

Below 1 Q

E52-2 (SS2) - E7-16 (SSW2)

Always

Below 1 Q

E52-5 (GND) - Body ground

Always

10 kQ or higher

E52-4 (EOM) - Body ground

Always

10 kQ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT ENGINE SWITCH

(a) Inspect the engine switch (See page ST-153). OK:

Engine switch is normal.

REPLACE ENGINE SWITCH

REPLACE INSTRUMENT PANEL J/B ASSEMBLY

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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