Nissan Juke Service and Repair Manual : P17B4 low brake solenoid

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>> GO TO 2.

2.CHECK DTC DETECTION

1. Start the engine.

2. Shift the selector lever to “D” position and wait for 5 seconds or more.

3. Check the first trip DTC.

Is “P17B4” detected? YES >> Go to TM-449, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK CIRCUIT BETWEEN TCM AND THE CVT UNIT

1. Turn the ignition switch OFF.

2. Disconnect the TCM connector and the CVT unit connector.

3. Check the continuity between TCM harness connector terminal and ground.

Is the inspection result normal?


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

NO >> Repair or replace the malfunctioning parts.

2.CHECK LOW BRAKE SOLENOID VALVE

Check the low brake solenoid valve. Refer to TM-450, "Component Inspection (Low Brake Solenoid Valve)".

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

NO >> Repair or replace the malfunctioning parts.

Component Inspection (Low Brake Solenoid Valve)

1.CHECK LOW BRAKE SOLENOID VALVE

Check the resistance between the CVT unit connector terminal and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> There is a malfunction of the low brake solenoid valve. Replace the transaxle assembly. Refer to TM-508, "Removal and Installation".

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