Mitsubishi Grandis. Manual - part 569

 

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Mitsubishi Grandis. Manual - part 569

 

 

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-374

disconnected.

(4) Resistance between A-07 joint connector (CAN1) 

terminal Nos. 3 and 6

OK: 120

± 20 

Q: Is the check result normal?

YES : 

<All the measurement results are within the 

normal value> Follow diagnostic item 19 
"Diagnose CAN bus lines thoroughly." Refer 
to 

P.54D-502

.

NO : 

<The resistance between terminal Nos. 3 
and 6 measures less than 120 

± 20 Ω> 

Repair the wiring harness between the joint 
connector (CAN1) and the intermediate 
connector.

STEP 34. Connector check: A-03 ABS-ECU 
connector

CAUTION

The strand end of the twist wire should be within 
10 cm from the connector. For details refer to 

P.54D-8

.

Q: Is the check result normal?

YES : 

Go to Step 35.

NO : 

Repair the defective connector.

AC204740

AC204740

AC204740

AC204740

AC204740

AC204740

AC204740DK

Harness side: A-07

Test
harness

Test
harness

AC310398

AI

Connector: A-03 <RHD>

Harness side

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-375

STEP 35. Resistance measurement at the A-07 
joint connector (CAN1).
NOTE: When checking A-07 joint connector (CAN1), 
disassemble and check the engine compartment 
relay box by referring to 

P.54D-616

.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54D-8

.

CAUTION

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

P.54D-8

.

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

ABS-ECU connector, and measure at the wiring 
harness side.

(2) Ignition switch: OFF (LOCK)

CAUTION

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

P.54D-8

.

(3) Ensure that the negative battery terminal is 

disconnected.

(4) Continuity between A-07 joint connector (CAN1) 

terminal Nos. 2 and 5

OK: More than 2 

CAUTION

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

P.54D-8

.

Q: Is the check result normal?

YES : 

<More than 2 

Ω> Go to Step 36.

NO : 

<2 

Ω or less> Repair the wiring harness 

between joint connector (CAN1) and the 
ABS-ECU connector.

AC302572AD

Connector: A-07

Harness side

AC310398

AI

Connector: A-03 <RHD>

Harness side

AC204740

AC204740

AC204740

AC204740

AC204740

AC204740

AC204740DL

Harness side: A-07

Test
harness

Test
harness

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-376

STEP 36. Resistance measurement at A-03 
ABS-ECU connector.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54D-8

.

(1) Connect special tool MB991974 to the ABS-ECU 

connector, and measure by using the check 
connector (connect the ECU side only).

(2) Resistance between special tool MB991974 

check connector terminal Nos. 21 and 23.

OK: 1 k

 or more

Q: Is the check result normal?

YES : 

<1 k

Ω or more> Follow diagnostic item 19, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-502

.

NO : 

<Less than 1 k

Ω> Replace the ABS-ECU.

STEP 37. Resistance measurement at the A-07 
joint connector (CAN1).
NOTE: When checking A-07 joint connector (CAN1), 
disassemble and check the engine compartment 
relay box by referring to 

P.54D-616

.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54D-8

.

CAUTION

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

P.54D-8

.

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

intermediate connector, and measure at the 
wiring harness side.

(2) Ignition switch: OFF (LOCK)

CAUTION

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

P.54D-8

.

(3) Ensure that the negative battery terminal is 

AC310398

AI

Connector: A-03 <RHD>

Harness side

AC304012

MB991974

AB

ABS-ECU

Check connector

AC204740

1

3

4

5

6

7

8

9

10

11

2

13 12

16

17

18

19

20

21

22

23

24

15

25

14

26

AC204740

AC204740

AC204740

AC204740BD

Special tool MB991974: 
Check connector

Check 
harness

AC302572AD

Connector: A-07

Harness side

AC310628AB

Connector: C-125 <RHD>

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-377

disconnected.

(4) Measure the continuity between A-07 joint 

connector (CAN1) terminal Nos. 1 and 4.

OK: More than 2 

CAUTION

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

P.54D-8

.

Q: Is the check result normal?

YES : 

<2 more than 

Ω> Follow diagnostic item 19, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-502

.

NO : 

<2 

Ω or less> Repair the wiring harness 

between joint connector (CAN1) and the 
intermediate connector.

AC204740

AC204740

AC204740

AC204740

AC204740

AC204740

AC204740DN

Harness side: A-07

Test
harness

Test
harness

 

 

 

 

 

 

 

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