Nissan Juke Service and Repair Manual : ASCD main switch

Component Function Check

1.CHECK ASCD MAIN SWITCH FUNCTION

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Select MAIN SW in DATA MONITOR mode of ENGINE using CONSULT-III.

3. Check MAIN SW indication as per the following condition.

Without CONSULT-III


1. Turn ignition switch ON.Without CONSULT-III


1. Turn ignition switch ON.

2. Check the voltage between ECM harness connector and ground as per the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Proceed to EC-430, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK ASCD MAIN SWITCH POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect combination switch (spiral cable) harness connector.

3. Turn ignition switch ON.

4. Check the voltage between combination switch harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 2.

NO >> Perform the trouble diagnosis for power supply circuit.

2.CHECK ASCD MAIN SWITCH INPUT SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between ECM harness connector and combination switch harness connector.

4. Also check harness for short to ground and to power.


4. Also check harness for short to ground and to power.

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

NO >> Repair or replace error-detected parts.

3.CHECK ASCD STEERING SWITCH

Check the ASCD steering switch. Refer to EC-431, "Component Inspection".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Replace ASCD steering switch. Refer to ST-9, "Exploded View".

Component Inspection

1.CHECK ASCD STEERING SWITCH-I

1. Disconnect combination switch (spiral cable) harness connector.

2. Check the continuity between combination switch harness connector terminals as per the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace ASCD steering switch. Refer to ST-9, "Exploded View".

2.CHECK ASCD STEERING SWITCH

1. Disconnect combination switch (spiral cable) harness connector.

2. Check the resistance between combination switch harness connector terminals as per the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace ASCD steering switch. Refer to ST-9, "Exploded View".

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