Nissan Murano: Power Supply and Ground Circuit / Mode Door Motor
Diagnosis Procedure
CHECK MODE DOOR MOTOR POWER SUPPLY
-
Ignition switch ON.
-
Check voltage between mode door motor harness connector and ground.
| + | − |
Voltage
(Approx.) |
| Mode door motor |
| Connector | Terminal |
| M154 |
1 |
Ground |
Battery voltage |
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
GO TO 4.
CHECK MODE DOOR MOTOR GROUND CIRCUIT
-
Ignition switch OFF.
-
Disconnect mode door motor connector.
-
Check continuity between mode door motor harness connector and ground.
| Mode door motor | — | Continuity |
| Connector | Terminal |
| M154 |
2 |
Ground |
Yes |
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair harness or connector.
CHECK INSTALLATION OF MODE DOOR MOTOR CONTROL LINKAGE
Check mode door motor control linkage is properly installed. Refer to Exploded View.
Is the inspection result normal?
YES>>
Replace mode door motor. Refer to Removal and Installation.
NO>>
Repair or replace malfunctioning part.
CHECK MODE DOOR MOTOR POWER SUPPLY CIRCUIT
-
Ignition switch OFF.
-
Disconnect mode door motor connector and A/C auto amp. connector.
-
Check continuity between mode door motor harness connector and A/C auto amp. harness connector.
| Mode door motor | A/C auto amp. | Continuity |
| Connector | Terminal | Connector | Terminal |
| M154 |
1 |
M50 |
17 |
Yes |
Is the inspection result normal?
YES>>
Replace A/C auto amp. Refer to Removal and Installation.
NO>>
Repair harness or connector.
Diagnosis Procedure
CHECK AIR MIX DOOR MOTOR RH POWER SUPPLY
Ignition switch ON.
Check voltage between air mix door motor RH harness connector and ground...
Diagnosis Procedure
CHECK INTAKE MODE DOOR MOTOR POWER SUPPLY
Ignition switch ON.
Check voltage between intake mode door motor harness connector and ground...
Other information:
Symptom Table
The diagnosis item number indicates the order of check. Start checking in the order from 1.
Perform diagnoses of symptom table 1 before symptom table 2.
Symptom Table 1 Symptom Engine system CAN communication line Transmission range switch (P0705, P0706) Input speed sensor (P0715, P0716, P0717) Primary speed sensor (P0791, P0792, P0793) Secondary speed sensor (P2765, P2766, P2767) CVT fluid temperature sensor (P0711, P0712, P0713) Primary pressure sensor (P084C, P084D) Secondary pressure sensor (P0841, P0847, P0848) Torque converter clutch solenoid valve (P0740, P0743, P0744) Manual mode switch Stall test CVT position Power supply Control valve CVT fluid level and state Ignition switch and starter
Work Flow DTC Index Work Procedure Inspection and Adjustment Diagnosis Procedure Removal and Installation (front wheel drive) or Removal and Installation (all wheel drive) Inspection Wiring Diagram, Wiring Diagram - IGNITION POWER SUPPLY -
Shift Shock
Large shock (N→ D position)
1
4
8
3
6
2
9
5
Large shock (N→ R position)
1
4
8
3
6
2
9
5
Shock is too large for lock-up...
System Description
SYSTEM DIAGRAMSignal transmission function list Signal name Input Output Description
Combination switch signal
Combination switch (lighting and turn signal switch)
BCM
Transmits the combination switch signal to the BCM.
Front fog lights request signal
BCM
IPDM E/R (CAN)
Combination meter (CAN)
Transmits the front fog lights request signal via CAN communication...