201918171615141

Main Body ECU Connector (Front View):

CANH X

CANL

CANL

CANH X

(a) Turn the ignition switch off.

(b) Disconnect the main body ECU connector.

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

Standard resistance

Tester Connection

Condition

Specified Condition

E8-5 (CANH) - E8-6 (CANL)

Ignition switch off

54 to 69 Q

REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MAIN BODY ECU (CAN-H, CAN-L)

CHECK HARNESS AND CONNECTOR (BECU, IG, GND1)

Wire Harness Side:

□ □□□□

20

19

18

17

16

15

14

13

12

11

10 t

9

8

7

6

5

4

3-

i

GND1 IG

GND1 IG

BECU

C133238E01

(a) without Smart Key System

(1) Disconnect the 1F J/B connector.

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

Standard resistance

Tester Connection

Condition

Specified Condition

1F-10 (GND1) - Body ground

Always

Below 1 Q

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

Tester Connection

Condition

Specified Condition

1F-1 (BECU)* - Body ground

Always

10 to 14 V

1F-11 (IG) - Body ground

Ignition switch on (IG)

10 to 14 V

*: TMC Made only (4) Reconnect the J/B connector.

Main Body ECU Connector (Front View):

GND3

GND3

B137983E03

Wire Harness Side:

Main Body ECU

Main Body ECU

26 25 24 23 22

12fn

28272625 LJ 24 2:

201918171615141:

10 9876543

B138000E01

(b) with Smart Key System

(1) Disconnect the E8 main body ECU connector.

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

Standard resistance

Tester Connection

Condition

Specified Condition

E8-4 (GND3) - Body ground

Always

Below 1 Q

(3) Disconnect the E6 and E7 main body ECU connectors.

(4) 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

E6-1 (AM2) - Body ground

Always

10 to 14 V

*: TMC Made only (5) Reconnect the main body ECU connectors.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE MAIN BODY ECU

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