Mitsubishi L200. Manual - part 828

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-71

STEP 9. 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

AC204738MC

Harness side: C-119

Test harness

Test harness

(4) Resistance between C-119 joint connector 

(CAN1) terminal Nos.9 and 20

OK: 120 

± 20 Ω

CAUTION

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

P.54C-7

.

Q: Is the check result normal?

YES : 

<Within 120 

± 20 Ω> Go to Step 11.

NO : 

<Not within 120 

± 20 Ω> Go to Step 10.

STEP 10. Resistance measurement at C-219 
ETACS-ECU connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-7

.

AC509934

Connector: C-219 <LHD>

AD

C-219 (GR)

Harness side

Junction block

AC509943

Connector: C-219 <RHD>

AB

C-219 (GR)

Harness side

Junction block
 (Rear view)

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

equipment side.

AC204738

AC204738

AC204738HL

Equipment side: C-219

Test 
harness

Test 
harness

(2) Resistance at C-219 ETACS-ECU connector 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-72

terminal Nos.56 and 65

OK: 120 

± 20 Ω

Q: Is the check result normal?

YES : 

<Within 120 

± 20 Ω> Repair the wiring 

harness between joint connector (CAN1) 
and the ETACS-ECU connector.

NO : 

<Not within 120 

± 20 Ω> Check the ETACS-

ECU connector, and repair if necessary. If 
the ETACS-ECU connector is in good 
condition, replace the ETACS-ECU.

STEP 11. 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

AC204738MF

Harness side: C-119

Test 
harness

Test 
harness

(4) Resistance between C-119 joint connector 

(CAN1) terminal Nos.7 and 18

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 ABS, ASTC and A/C> : 

<1 

k

Ω or more> Go to Step 23.

YES <vehicles with ABS> : 

<1 k

Ω or more> Go to 

Step 13.

YES <vehicles with ASTC> : 

<1 k

Ω or more> Go to 

Step 15.

YES <vehicles without ABS and ASTC, and with A/
C> : 

<1 k

Ω or more> Go to Step 21.

NO  : 

<Less than 1 k

Ω> Go to Step 12.

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-73

STEP 12. Resistance measurement at C-171 RV 
meter connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-7

.

AC903856

Connector: C-171 <LHD>

AY

Harness side

C-171 (GR)

AC903868

Connector: C-171 <RHD>

BQ

Harness side

C-171 (GR)

(1) Remove the RV meter, and measure at the 

equipment side.

AC204738SH

Equipment side: C-171

Test 
harness

Test 
harness

(2) Resistance at C-171 RV meter connector 

terminal Nos.7 and 21

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 RV 
meter connector.

NO : 

<Less than 1 k

Ω> Check the RV meter 

connector, and repair if necessary. If the RV 
meter connector is in good condition, 
replace the RV meter.

STEP 13. 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

AC204738MH

Harness side: C-119

Test 
harness

Test 
harness

(4) Resistance between C-119 joint connector 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-74

(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 <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 14.

STEP 14. Resistance measurement at A-01 ABS-
ECU connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-7

.

AC903897

Connector: A-01

AN

A-01 (GR)

Harness side

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

equipment side.

AC204738SW

Test 
harness

Test 
harness

Equipment side: A-01

(2) Resistance at A-01 ABS-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 ABS-ECU 
connector.

NO : 

<Less than 1 k

Ω> Check the ABS-ECU 

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

STEP 15. 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