Mitsubishi L200. Manual — part 829

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-75

disconnected.

AC204738

AC204738MH

Harness side: C-119

Test
harness

Test
harness

(4) Resistance between C-119 joint connector

(CAN1) terminal Nos.5 and 16

OK: 1 k

Ω or more

CAUTION

Strictly observe the specified wiring harness
repair procedure. For details refer to

P.54C-7

.

Q: Is the check result normal?

YES :

<1 k

Ω or more> Go to Step 17.

NO :

<Less than 1 k

Ω> Go to Step 16.

STEP 16. Resistance measurement at A-48
ASTC-ECU connector.

CAUTION

A digital multimeter should be used. For details
refer to

P.54C-7

.

AC903897

Connector: A-48

AO

A-48 (B)

Harness side

(1) Remove the ASTC-ECU, and measure at the

equipment side.

AC204738SX

Equipment side: A-48

Test
harness

Test
harness

(2) Resistance at A-48 ASTC-ECU connector

terminal Nos.23 and 34

OK: 1 k

Ω or more

Q: Is the check result normal?

YES :

<1 k

Ω or more> Check intermediate

connector C-13, and repair if necessary. If
the intermediate connector C-13 is in good
condition, repair the wiring harness between
joint connector (CAN1) and the ASTC-ECU
connector.

NO :

<Less than 1 k

Ω> Check the ASTC-ECU

connector, and repair if necessary. If the
ASTC-ECU connector is in good condition,
replace the hydraulic unit assembly.

STEP 17. Resistance measurement at C-119 joint
connector (CAN1).

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

.

AC903853

BM

Connector: C-119 <LHD>

C-119 (GR)

AC903868

CM

Connector: C-119 <RHD>

C-119 (GR)

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

at the wiring harness side.

(2) Turn the ignition switch to the LOCK (OFF)

position.

CAUTION

When measuring the resistance, disconnect the
negative battery terminal. For details refer to

P.54C-7

.

(3) Ensure that the negative battery terminal is

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-76

disconnected.

AC204738

AC204738MJ

Harness side: C-119

Test harness

Test harness

(4) Resistance between C-119 joint connector

(CAN1) terminal Nos.3 and 14

OK: 1 k

Ω or more

CAUTION

Strictly observe the specified wiring harness
repair procedure. For details refer to

P.54C-7

.

Q: Is the check result normal?

YES :

<1 k

Ω or more> Go to Step 19.

NO :

<Less than 1 k

Ω> Go to Step 18.

STEP 18. Resistance measurement at C-308
steering wheel sensor connector.

CAUTION

A digital multimeter should be used. For details
refer to

P.54C-7

.

AC903858

Connector: C-308 <LHD>

AK

AC903869

Connector: C-308 <RHD>

AK

(1) Remove the steering wheel sensor, and measure

at the equipment side.

AC204738

AC204738

AC204738PZ

Equipment side: C-308

Test
harness

Test harness

(2) Resistance at C-308 steering wheel sensor

connector terminal Nos.3 and 4

OK: 1 k

Ω or more

Q: Is the check result normal?

YES :

<1 k

Ω or more> Repair the wiring harness

between joint connector (CAN1) and the
steering wheel sensor connector.

NO :

<Less than 1 k

Ω> Check the steering wheel

sensor connector, and repair if necessary. If
the steering wheel sensor connector is in
good condition, replace the steering wheel
sensor.

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-77

STEP 19. Resistance measurement at C-119 joint
connector (CAN1).

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

.

AC903853

BM

Connector: C-119 <LHD>

C-119 (GR)

AC903868

CM

Connector: C-119 <RHD>

C-119 (GR)

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

at the wiring harness side.

(2) Turn the ignition switch to the LOCK (OFF)

position.

CAUTION

When measuring the resistance, disconnect the
negative battery terminal. For details refer to

P.54C-7

.

(3) Ensure that the negative battery terminal is

disconnected.

AC204738

AC204738ML

Harness side: C-119

Test
harness

Test
harness

(4) Resistance between C-119 joint connector

(CAN1) terminal Nos.4 and 15

OK: 1 k

Ω or more

CAUTION

Strictly observe the specified wiring harness
repair procedure. For details refer to

P.54C-7

.

Q: Is the check result normal?

YES <vehicles without A/C> :

<1 k

Ω or more> Go

to Step 23.

YES <vehicles with A/C> :

<1 k

Ω or more> Go to

Step 21.

NO :

<Less than 1 k

Ω> Go to Step 20.

STEP 20. Resistance measurement at C-144 G
and yaw rate sensor connector.

CAUTION

A digital multimeter should be used. For details
refer to

P.54C-7

.

AC903853

BN

Connector: C-144 <LHD>

C-144 (GR)

Harness side

AC903865 AV

Connector: C-144 <RHD>

C-144 (GR)

Harness side

(1) Remove the G and yaw rate sensor, and

measure at the equipment side.

AC204738

AC204738

AC204738QA

Equipment side: C-144

Test
harness

Test harness

(2) Resistance at C-144 G and yaw rate sensor

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-78

connector terminal Nos.2 and 3

OK: 1 k

Ω or more

Q: Is the check result normal?

YES :

<1 k

Ω or more> Repair the wiring harness

between joint connector (CAN1) and the G
and yaw rate sensor connector.

NO :

<Less than 1 k

Ω> Check the G and yaw rate

sensor connector, and repair if necessary. If
the G and yaw rate sensor connector is in
good condition, replace the G and yaw rate
sensor.

STEP 21. Resistance measurement at C-119 joint
connector (CAN1).

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

.

AC903853

BM

Connector: C-119 <LHD>

C-119 (GR)

AC903868

CM

Connector: C-119 <RHD>

C-119 (GR)

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

at the wiring harness side.

(2) Turn the ignition switch to the LOCK (OFF)

position.

CAUTION

When measuring the resistance, disconnect the
negative battery terminal. For details refer to

P.54C-7

.

(3) Ensure that the negative battery terminal is

disconnected.

AC204738

AC204738MN

Harness side: C-119

Test
harness

Test
harness

(4) Resistance between C-119 joint connector

(CAN1) terminal Nos.6 and 17

OK: 1 k

Ω or more

CAUTION

Strictly observe the specified wiring harness
repair procedure. For details refer to

P.54C-7

.

Q: Is the check result normal?

YES :

<1 k

Ω or more> Go to Step 23.

NO :

<Less than 1 k

Ω> Go to Step 22.

STEP 22. Resistance measurement at C-43 A/C-
ECU connector.

CAUTION

A digital multimeter should be used. For details
refer to

P.54C-7

.

AC903856BS

Connector: C-43 <LHD>

Harness side

AC903868

CN

Connector: C-43 <RHD>

Harness side

(1) Remove the A/C-ECU, and measure at the