Mitsubishi Grandis. Manual - part 530

 

  Index      Mitsubishi     Mitsubishi Grandis - service repair manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  528  529  530  531   ..

 

 

Mitsubishi Grandis. Manual - part 530

 

 

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-218

terminal No.17 and body earth

OK: 1 k

 or more

CAUTION

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

P.54D-8

.

Q: Is the check result normal?

YES : 

<1 k

Ω or more> Follow diagnostic item 18, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-476

.

NO : 

<less than 1 k

Ω> Repair the wiring harness 

between the joint connector (CAN2) and the 
diagnosis connector.

STEP 21. Resistance measurement at C-09 joint 
connector (CAN2).

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 connector, and measure at the 

wiring harness side.

CAUTION

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

P.54D-8

.

(2) Ensure that the negative battery terminal is 

disconnected.

(3) Resistance between C-09 joint connector (CAN2) 

terminal No.15 and body earth

OK: 1 k

 or more

CAUTION

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

P.54D-8

.

Q: Is the check result normal?

YES : 

<1 k

Ω or more> Follow diagnostic item 18, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-476

.

NO : 

<less than 1 k

Ω> Repair the wiring harness 

between the joint connector (CAN2) and the 
intermediate connector.

STEP 22. Connector check: 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

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

P.54D-8

.

When checking the joint connector, ensure that its 
wiring harness side is not damaged.

Q: Is the check result normal?

YES : 

Go to Step 23 .

NO : 

Repair a defective connector or replace the 
joint connector (front wiring harness 
assembly).

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC209364LM

Harness side: C-09

Test
harness

AC302572AD

Connector: A-07

Harness side

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-219

STEP 23. 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 connector, and measure at the 

wiring harness side.

CAUTION

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

P.54D-8

.

(2) Ensure that the negative battery terminal is 

disconnected.

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

terminal No.3 and body earth

OK: 1 k

 or more

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

terminal No.2 and body earth

OK: 1 k

 or more

Q: Are the check result normal?

YES <all of the measurement results show 1 k

 or 

more> : 

Go to Step 29 .

NO <The resistance between terminal No.3 and 
body earth is less than 1 k

> : 

Go to Step 24 .

NO <The resistance between terminal No.2 and 
body earth is less than 1 k

> : 

Go to Step 27 .

STEP 24. Connector check: A-16 intermediate 
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 25 .

NO : 

Repair the defective connector.

AC302572AD

Connector: A-07

Harness side

AC209364

Harness side: A-07

AC209364LN

Test
harness

AC209364

Harness side: A-07

AC209364LO

Test
harness

AC310403

AC

Connector: A-16 <LHD>

A-16 (B)

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-220

STEP 25. 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.

CAUTION

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

P.54D-8

.

(2) Ensure that the negative battery terminal is 

disconnected.

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

terminal No.3 and body earth

OK: 1 k

 or more

Q: Is the check result normal?

YES : 

<1 k

Ω or more> Go to Step 26 .

NO : 

<less than 1 k

Ω> Repair the wiring harness 

between the joint connector (CAN1) and the 
intermediate connector.

STEP 26. Resistance measurement at the A-16 
intermediate connector.

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 engine-ECU <M/T> or 

engine-A/T-ECU <A/T> connector and the 

AC302572AD

Connector: A-07

Harness side

AC310403

AC

Connector: A-16 <LHD>

A-16 (B)

AC209364

Harness side: A-07

AC209364LN

Test
harness

AC310403

AC

Connector: A-16 <LHD>

A-16 (B)

AC310615

AS

Harness side

Connector: C-112 <LHD>

C-112 (GR)

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-221

intermediate connector, and measure at the 
wiring harness side.

CAUTION

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

P.54D-8

.

(2) Ensure that the negative battery terminal is 

disconnected.

(3) Resistance between A-16 intermediate connector 

terminal No.12 and body earth

OK: 1 k

 or more

CAUTION

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

P.54D-8

.

Q: Is the check result normal?

YES : 

<1 k

Ω or more> Follow diagnostic item 18, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-476

.

NO : 

<less than 1 

Ω> Repair the wiring harness 

between the intermediate connector and the 
engine-ECU <M/T> or engine-A/T-ECU 
<A/T> connector.

STEP 27. Connector check: A-04 ASC-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 28 .

NO : 

Repair the defective connector.

STEP 28. 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 

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

CAUTION

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

P.54D-8

.

(2) Ensure that the negative battery terminal is 

AC209364

AC209364

AC209364

Male side: A-16

AC209364EF

Test
harness

AC310401

Connector: A-04 <LHD>

Harness side

AL

A-04

AC302572AD

Connector: A-07

Harness side

AC310401

Connector: A-04 <LHD>

Harness side

AL

A-04

 

 

 

 

 

 

 

Content   ..  528  529  530  531   ..