Inspection Procedure

CHECK HARNESS AND CONNECTOR (BODY ECU - BATTERY AND BODY GROUND)

(a) Disconnect the D6 ECU connector.

(b) Measure the voltage between the specified terminals on the wire harness side connector.

Voltage

Tester Connection

Condition

Specified Condition

D6-2 (BATB) - Body ground

Always

10 to 14 V

(c) Measure the resistance between the specified terminals on the wire harness side connector. Resistance

Tester Connection

Condition

Specified Condition

D6-5 (GND1) - Body ground

Always

Below 1 Q

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK RESISTANCE OF COMMUNICATION LINE

(a) Disconnect the D6, D13 and E2 ECU connectors.

Body ECU Connector Front View:

MPX1

MPX2-

Combination Switch Connector Front View:

MPX1-

MPX1-

- h

1J

-112 5Î6

7 8

Combination Meter Connector Front View:

C129912E01

(b) Measure the resistance between the specified terminals on the wire harness side connectors. Resistance

Tester Connection

Specified Condition

D6-14 (MPX1) - E2-16

Below 1 Q

D6-21 (MPX2) - D13-6 (MPX1)

Below 1 Q

Result

Result

Proceed to

Both are OK

A

One is OK

B

Both are NG

C

REPLACE BODY ECU AND REPAIR OR REPLACE HARNESS OR CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE BODY ECU

B1207

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.

Get My Free Ebook


Post a comment