Mitsubishi Evolution X. Manual — part 1133

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-167

STEP 14. Check the wiring harness between joint
connector (CAN1) C-105 and KOS-ECU connector C-05 for
a short to power supply. Measure the voltage at joint
connector (CAN1) C-105.

CAUTION

A digital multimeter should be used. For details refer to

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to

P.54C-7

.

(1) Disconnect joint connector (CAN1), and measure the

voltage at the wiring harness side of joint connector
(CAN1).

(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN1)

terminal 9 and body ground.

OK: 4.7 volts or less

(4) Measure the voltage between joint connector (CAN1)

terminal 22 and body ground.

OK: 4.7 volts or less

Q: Do all the voltages measure 4.7 volts or less?

YES : Go to Step 16.
NO : Go to Step 25.

STEP 15. Check the wiring harness between joint
connector (CAN1) C-105 and WCM connector C-07 for a
short to power supply. Measure the voltage at joint
connector (CAN1) C-105.

CAUTION

A digital multimeter should be used. For details refer to

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to

P.54C-7

.

(1) Disconnect joint connector (CAN1), and measure the

voltage at the wiring harness side of joint connector
(CAN1).

(2) Turn the ignition switch to the ON position.

AC608178

TEST
HARNESS

Harness side: C-105

BJ

AC608178

Harness side: C-105

BK

TEST
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-168

(3) Measure the voltage between joint connector (CAN1)

terminal 7 and body ground.

OK: 4.7 volts or less

(4) Measure the voltage between joint connector (CAN1)

terminal 20 and body ground.

OK: 4.7 volts or less

Q: Do all the voltages measure 4.7 volts or less?

YES : Go to Step 16.
NO : Go to Step 26.

STEP 16. Check the wiring harness between joint
connector (CAN1) C-105 and SRS-ECU connector C-37 for
a short to power supply. Measure the voltage at joint
connector (CAN1) C-105.

CAUTION

A digital multimeter should be used. For details refer to

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to

P.54C-7

.

(1) Disconnect joint connector (CAN1), and measure the

voltage at the wiring harness side of joint connector
(CAN1).

(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN1)

terminal 8 and body ground.

OK: 4.7 volts or less

AC608178

TEST
HARNESS

Harness side: C-105

BL

AC608178

Harness side: C-105

BM

TEST
HARNESS

AC608178

TEST
HARNESS

Harness side: C-105

BN

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-169

(4) Measure the voltage between joint connector (CAN1)

terminal 21 and body ground.

OK: 4.7 volts or less

Q: Do all the voltages measure 4.7 volts or less?

YES : Go to Step 17.
NO : Go to Step 27.

STEP 17. Check the wiring harness between joint
connector (CAN1) C-105 and occupant classification-ECU
connector D-39-2 for a short to power supply. Measure the
voltage at joint connector (CAN1) C-105.

CAUTION

A digital multimeter should be used. For details refer to

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to

P.54C-7

.

(1) Disconnect joint connector (CAN1), and measure the

voltage at the wiring harness side of joint connector
(CAN1).

(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN1)

terminal 11 and body ground.

OK: 4.7 volts or less

(4) Measure the voltage between joint connector (CAN1)

terminal 24 and body ground.

OK: 4.7 volts or less

Q: Do all the voltages measure 4.7 volts or less?

YES (vehicles without hands free system) : Go to Step

19.

YES (vehicles with hands free system) : Go to Step 18.
NO : Go to Step 28.

AC608178

Harness side: C-105

BO

TEST
HARNESS

AC608178

TEST
HARNESS

Harness side: C-105

BP

AC608178

Harness side: C-105

BQ

TEST
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-170

STEP 18. Check the wiring harness between joint
connector (CAN1) C-105 and hands free module connector
C-11 for a short to power supply. Measure the voltage at
joint connector (CAN1) C-105.

CAUTION

A digital multimeter should be used. For details refer to

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to

P.54C-7

.

(1) Disconnect joint connector (CAN1), and measure the

voltage at the wiring harness side of joint connector
(CAN1).

(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN1)

terminal 10 and body ground.

OK: 4.7 volts or less

(4) Measure the voltage between joint connector (CAN1)

terminal 23 and body ground.

OK: 4.7 volts or less

Q: Do all the voltages measure 4.7 volts or less?

YES : Go to Step 19.
NO : Go to Step 29.

STEP 19. Check the wiring harness between joint
connector (CAN1) C-105 and A/C-ECU connector C-22 for a
short to power supply. Measure the voltage at joint
connector (CAN1) C-105.

CAUTION

A digital multimeter should be used. For details refer to

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to

P.54C-7

.

(1) Disconnect joint connector (CAN1), and measure the

voltage at the wiring harness side of joint connector
(CAN1).

(2) Turn the ignition switch to the ON position.

AC608178

TEST
HARNESS

Harness side: C-105

BR

AC608178

Harness side: C-105

BS

TEST
HARNESS