Nissan Rogue Service Manual: Key switch signal circuit (without intelligent key)

Nissan Rogue Service Manual / Driver information & multimedia / Warning Chime System / DTC/circuit diagnosis / Key switch signal circuit (without intelligent key)

Description

Transmits a key switch signal to the BCM.

Component Function Check

1. CHECK BCM INPUT SIGNAL

Select "Data Monitor" for "BCM" and check the "KEY ON SW" monitor value.

Check bcm input signal

Is the inspection result normal? YES >> Inspection End.

NO >> Refer to WCS-47, "Diagnosis Procedure".

Diagnosis Procedure

Regarding Wiring Diagram information, refer to WCS-29, "Wiring Diagram".

1. CHECK BCM INPUT SIGNAL

Check voltage between BCM harness connector M19 terminal 81 and ground.

Check bcm input signal

Is the inspection result normal? YES >> Inspection End.

NO >> GO TO 2.

2. CHECK KEY SWITCH CIRCUIT

Disconnect BCM connector M19 and key switch.
Check continuity between BCM harness connector M19 terminal 81 and key switch harness connector M105 terminal 1.

Check key switch circuit

Check continuity between BCM harness connector M19 terminal 81 and ground.

Check key switch circuit

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness or connector.

3. CHECK KEY SWITCH POWER SUPPLY CIRCUIT

Check voltage between key switch harness connector M105 terminal 1 and ground.

Check key switch power supply circuit

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace harness or connector.

4. CHECK KEY SWITCH GROUND CIRCUIT

Check continuity between key switch harness connector M105 terminal 2 and ground.

Check key switch ground circuit

Is the inspection result normal? YES >> Replace key switch.

NO >> Repair or replace harness or connector.

Component Inspection

1. CHECK KEY SWITCH

Turn ignition switch OFF.
Disconnect key switch.
Check continuity between key switch terminals 1 and 2.

Check key switch

Is the inspection result normal? YES >> Inspection End.

NO >> Replace key switch.

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