Nissan Juke Service and Repair Manual : P1564 ASCD steering switch

DTC Logic

DTC DETECTION LOGIC

NOTE

:
If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to EC-683, "DTC Logic".

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait at least 10 seconds.

2. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.

3. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 seconds.

4. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.

5. Check DTC.

Is DTC detected? YES >> Go to EC-714, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK GROUND CONNECTION

1. Turn ignition switch OFF.

2. Check ground connection E21 and E38. Refer to Ground Inspection in GI-44, "Circuit Inspection".

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

NO >> Repair or replace ground connection.

2.CHECK ASCD STEERING SWITCH CIRCUIT

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Select ENGINE using CONSULT-III.

3. Select CANCEL SW, RESUME/ACC SW and SET SW in DATA MONITOR mode.

4. Check each item indication under the following conditions.


Without CONSULT-III


1. Turn ignition switch ON.Without CONSULT-III


1. Turn ignition switch ON.

2. Check the voltage between ECM harness connector terminals under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 8.

NO >> GO TO 3.

3.CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Disconnect combination switch harness connector.

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

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


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

Is the inspection result normal? YES >> GO TO 5.

NO >> GO TO 4.

4.DETECT MALFUNCTIONING PART

Check the following.

Combination switch (spiral cable) Harness for open and short between ECM and combination switch >> Repair open circuit, short to ground or short to power in harness or connectors.

5.CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

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

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


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

Is the inspection result normal? YES >> GO TO 7.

NO >> GO TO 6.

6.DETECT MALFUNCTIONING PART

Check the following.

Combination switch (spiral cable) Harness for open and short between ECM and combination switch

>> Repair open circuit, short to ground or short to power in harness or connectors.

7.CHECK ASCD STEERING SWITCH

Refer to EC-716, "Component Inspection (ASCD STEERING SWITCH)".

Is the inspection result normal? YES >> GO TO 8.

NO >> Replace ASCD steering switch.

8.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

Component Inspection (ASCD STEERING SWITCH)

1.CHECK ASCD STEERING SWITCH-I

1. Turn ignition switch OFF.

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

3. Check the continuity between combination switch harness connector terminals under the following condition.

Is the inspection result normal?


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

NO >> Replace ASCD steering switch.

2.CHECK ASCD STEERING SWITCH-II

Check resistance between combination switch (spiral cable) harness connector terminals under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace ASCD steering switch.

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