Mitsubishi Grandis. Manual — part 533

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-230

STEP 42. 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 18,

Diagnose CAN bus lines thoroughly. Refer
to

P.54D-476

.

NO :

<less than 1

Ω> Repair the wiring harness

between the jumper connector and the
centre display connector.

STEP 43. 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 44 .

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)

48

37

26

42

31

45

34

47

36

46

35

44

33

43

32

25 24

39

28

41

30

40

29

38

27

23

21

22

A

B

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-231

STEP 44. 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

SRS-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.1 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 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
SRS-ECU connector.

STEP 45. Connector check: C-306 steering wheel
angle sensor 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 46 .

NO :

Repair the defective connector.

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC310613

BD

Connector: C-119
<LHD>

Harness side

C-119 (Y)

48

37

26

42

31

45

34

47

36

46

35

44

33

43

32

25 24

39

28

41

30

40

29

38

27

23

21

22

A

B

AC209364LW

Harness side: C-09

Test
harness

AC310153AF

Connector: C-306 <LHD>

Harness side

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-232

STEP 46. 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

steering wheel angle sensor 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.8 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 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
steering angle sensor connector.

STEP 47. 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)

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC310153AF

Connector: C-306 <LHD>

Harness side

AC209364ME

Harness side: C-09

Test harness

AC310615

AU

Harness side

Connector: C-09 <LHD>

C-09 (GR)

AC209364LX

Harness side: C-09

Test
harness

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-233

terminal No.6 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 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 48. 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.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 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 49. 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 50 .

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)

AC209364LY

Harness side: C-09

Test
harness

AC302572AD

Connector: A-07

Harness side