Nissan X-Trail 32. Instruction — part 1509

LAN-76

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN CCM AND SONAR CIRCUIT

MAIN LINE BETWEEN CCM AND SONAR CIRCUIT

Diagnosis Procedure

INFOID:0000000010715318

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).

-

Harness connector M13

-

Harness connector B3

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

Chassis control module

-

Harness connectors M13 and B3

2.

Check the continuity between the chassis control module harness connector and the harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the chassis control module and the harness connector M13.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connectors B8 and B60 (without Park Assist) or sonar control unit (with Park Assist).

2.

Check the continuity between the harness connector and the sonar control unit harness connector.

-

Without Park Assist

-

With Park Assist

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the chassis control module and the sonar

control unit.

NO

>> Repair the main line between the harness connector B3 and harness connector B8 (without Park

Assist) or sonar control unit (with Park Assist).

Chassis control module harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M73

4

M13

25

Existed

3

24

Existed

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B3

25

B8

7

Existed

24

16

Existed

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B3

25

B129

24

Existed

24

23

Existed

LAN

MAIN LINE BETWEEN HVAC AND LANE CIRCUIT

LAN-77

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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MAIN LINE BETWEEN HVAC AND LANE CIRCUIT

Diagnosis Procedure

INFOID:0000000011009330

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

CAN gateway

-

A/C amp. (with instruction A/C)

-

Harness connectors M133 and M56 (with auto A/C)

-

Harness connectors M23 and R1

4.

Check the continuity between the A/C amp. (with instruction A/C) or harness connector (with auto A/C) and
the harness connector.

-

With instruction A/C

-

With auto A/C

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the A/C amp. (with instruction A/C) or A/C auto

amp. (with auto A/C) and the front camera unit.

NO

>> Repair the main line between the A/C amp. (with instruction A/C) or harness connector M56 (with

auto A/C) and the harness connector M23.

A/C amp. connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M132

7

M23

8

Existed

23

9

Existed

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M56

7

M23

8

Existed

23

9

Existed

LAN-78

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

ECM BRANCH LINE CIRCUIT

ECM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715319

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and
connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of ECM.

2.

Check the resistance between the ECM harness connector terminals.

-

MR20DD engine models

-

QR25DE engine models

-

R9M engine models

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the ECM branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to

EC-162, "Diagnosis Procedure"

(MR20DD engine models),

EC-573, "Diagnosis Procedure"

(QR25DE engine models) or

EC-963, "ECM :

Diagnosis Procedure"

(R9M engine models).

Is the inspection result normal?

YES (Present error)>>Replace the ECM. Refer to

EC-430, "Removal and Installation"

(MR20DD engine

models),

EC-806, "Removal and Installation"

(QR25DE engine models) or

EC-1226, "Removal

and Installation"

(R9M engine models).

YES (Past error)>>Error was detected in the ECM branch line.
NO

>> Repair the power supply and the ground circuit.

ECM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E16

100

99

Approx. 108 – 132

ECM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E60

100

99

Approx. 108 – 132

ECM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E79

32

31

Approx. 108 – 132

LAN

ABS BRANCH LINE CIRCUIT

LAN-79

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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ABS BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715320

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of ABS actuator and electric unit (control unit).

2.

Check the resistance between the ABS actuator and electric unit (control unit) harness connector termi-
nals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the ABS actuator and electric unit (control unit) branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to

BRC-188, "Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to

BRC-217, "LHD :

Removal and Installation"

(LHD models) or

BRC-220, "RHD : Removal and Installation"

(RHD

models).

YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.
NO

>> Repair the power supply and the ground circuit.

ABS actuator and electric unit (control unit) harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E36

26

14

Approx. 54 – 66