Mitsubishi Grandis. Manual - part 524

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-194

STEP 34. 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 joint connector (CAN2) and the 

A/C-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 

disconnected.

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

terminal No.2 and body earth

OK: 1 k

Ω 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 17, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-452

.

NO : 

<less than 1 k

Ω> Repair the wiring harness 

between the joint connector (CAN2) and the 
A/C-ECU connector.

STEP 35. Connector check: C-221 ETACS-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 36 .

NO : 

Repair the defective connector.

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC310613

AB

Connector: C-106 <LHD>

Harness side

AC209364LT

Harness side: C-09

Test
harness

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

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54

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74

Harness side

C-221(GR)

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-195

STEP 36. 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 joint connector (CAN2) and the 

ETACS-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 

disconnected.

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

terminal No.3 and body earth

OK: 1 k

Ω 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 17, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-452

.

NO : 

<less than 1 k

Ω> Repair the wiring harness 

between the joint connector (CAN2) and the 
ETACS-ECU connector.

STEP 37. Connector check: C-37 jumper 
connector

CAUTION

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

P.54D-8

.

Check that the wiring harness of the jumper 
connector is not damaged.

Q: Is the check result normal?

YES : 

Go to Step 38 .

NO : 

Repair the defective connector.

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

52

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61

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64

65

66

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68

69

70

71

72

73

74

Harness side

C-221(GR)

AC209364LV

Harness side: C-09

Test
harness

AC310615

AV

Connector: C-37 <LHD>

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-196

STEP 38. Resistance measurement at the 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 joint connector (CAN2) and the 

jumper 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.5 and body earth

OK: 1 k

Ω or more

Q: Is the check result normal?

YES : 

<1 k

Ω or more> Go to Step 39.

NO : 

<less than 1 k

Ω> Repair the wiring harness 

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

STEP 39. Connector check: C-07 centre display 
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 40 .

NO : 

Repair the defective connector.

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC310615

AV

Connector: C-37 <LHD>

AC209364LU

Harness side: C-09

Test
harness

AC310613

BC

Connector: C-07 <LHD>

Harness side

C-07 (B)

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-197

STEP 40. Resistance measurement at the C-37 
jumper 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 centre display connector and the 

jumper connector, and measure at the jumper 
connector (at the centre display 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-37 jumper connector 

terminal No.4 and body earth

OK: 1 k

Ω 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 17, 

Diagnose CAN bus lines thoroughly. Refer 
to 

P.54D-452

.

NO : 

<less than 1 

Ω> Repair the wiring harness 

between the jumper connector and the 
centre display connector.

STEP 41. Connector check: C-119 SRS-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 42 .

NO : 

Repair the defective connector.

AC310613

BC

Connector: C-07 <LHD>

Harness side

C-07 (B)

AC310615

AV

Connector: C-37 <LHD>

A

AC312552 AC

Harness side: C-37

Test 
harness

AC310613

BD

Connector: C-119 
<LHD>

Harness side

C-119 (Y)

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37

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39

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38

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A

B