Nissan Murano: Dtc/circuit Diagnosis / C1204 4wd Solenoid

Nissan Murano (Z52) 2015-2024 Service Manual / Transmission & Driveline / Driveline :: Transfer: Ty21c / Dtc/circuit Diagnosis / C1204 4wd Solenoid

DTC Description

DTC DETECTION LOGIC

Malfunction related to AWD solenoid has been detected.

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detecting condition
C1204

4WD SOLENOID

(4WD solenoid) 		Diagnosis condition Ignition switch: ON
Signal —
Threshold —
Diagnosis delay time —

POSSIBLE CAUSE

  • Internal malfunction of electronic controlled coupling

  • Malfunction of AWD solenoid power supply circuit (open or short)

  • Malfunction of AWD solenoid command current

FAIL-SAFE

Front-wheel drive or shifts to 4-wheel drive (rear-wheels still have some driving torque).

DTC Confirmation Procedure

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

DTC REPRODUCTION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “ALL MODE AWD/4WD”.

Is DTC “C1204” detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK AWD SOLENOID POWER SUPPLY (1)

  1. Ignition switch OFF.

  2. Disconnect AWD control unit harness connector.

  3. Check the voltage between AWD control unit harness connector and ground.

    (+) (–)

    Voltage

    (Approx.)
    AWD control unit
    Connector Terminal
    B135 9 Ground Battery voltage

  4. Ignition switch ON.

    CAUTION:

    Never start the engine.

  5. Check the voltage between AWD control unit harness connector and ground.

    (+) (–)

    Voltage

    (Approx.)
    AWD control unit
    Connector Terminal
    B135 9 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK AWD SOLENOID POWER SUPPLY (2)

  1. Ignition switch OFF.

  2. Check the 10A fuse (#62)

  3. Check the harness for open or short between AWD control unit harness connector B135 terminal No. 9 and 10A fuse (#62).

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for battery power supply circuit. Refer to Wiring Diagram.

NO>>

Repair or replace error-detected parts.

CHECK AWD SOLENOID GROUND

Check the continuity between AWD control unit harness connector and ground.

AWD control unit — Continuity
Connector Terminal
B135 10 Ground Yes
11

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK AWD SOLENOID CIRCUIT (1)

Check the resistance between AWD control unit harness connector.

AWD control unit

Resistance

(Approx.)
Connector Terminals
B135 1 2 2.5 Ω

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 5.

CHECK AWD SOLENOID CIRCUIT (2)

  1. Disconnect AWD solenoid harness connector.

  2. Check the continuity between AWD control unit harness connector and AWD solenoid harness connector.

    AWD control unit AWD solenoid Continuity
    Connector Terminal Connector Terminal
    B135 1 C12 2 Yes
    2 1

  3. Check the continuity between AWD control unit harness connector and the ground.

    AWD control unit — Continuity
    Connector Terminal
    B135 1 Ground No
    2

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace error-detected parts.

CHECK AWD SOLENOID

Check AWD solenoid. Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to Removal and Installation.

CHECK TERMINALS AND HARNESS CONNECTORS

  • Check AWD control unit pin terminals for damage or loose connection with harness connector.

  • Check AWD solenoid pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

Replace AWD control unit. Refer to Removal and Installation.

NO>>

Repair or replace error-detected parts.

Component Inspection

CHECK AWD SOLENOID

  1. Ignition switch OFF.

  2. Disconnect AWD solenoid harness connector.

  3. Check the resistance between AWD solenoid harness connector terminals.

    AWD solenoid

    Resistance

    (Approx.)
    Terminals
    1 2 2.5 Ω

Is the inspection result normal?

YES>>

Inspection End.

NO>>

AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to Removal and Installation.

    C1203 Abs System

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    DTC Description DTC DETECTION LOGICMalfunction has been detected from AWD actuator relay integrated with AWD control unit, or malfunction related to AWD solenoid has been detected...

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