Nissan Juke Service and Repair Manual : Thermo control amplifier

Component Function Check

1.CHECK A/C ON SIGNAL

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Select AIR CONDITIONER of BCM using CONSULT-III.

3. Select THERMO AMP in DATA MONITOR mode, and check status under the following condition.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Refer to HAC-285, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10A fuse (No. 15, located in fuse block (J/B)].

NOTE

:
Refer to PG-22, "Fuse, Connector and Terminal Arrangement".

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

NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.CHECK THERMO CONTROL AMP. POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect thermo control amp. connector.

3. Turn ignition switch ON.

4. Check voltage between thermo control amp. harness connector and ground.

Is the inspection result normal?


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

NO >> Repair harness or connector between thermo control amp. and fuse.

3.CHECK THERMO CONTROL AMP. GROUND CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Check continuity between thermo control amp. harness connector and ground.

Is the inspection result normal?


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

NO >> Repair harness or connector.

4.CHECK THERMO CONTROL AMP. SIGNAL

1. Turn ignition switch ON.

2. Check voltage between thermo control amp. harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace thermo control amp. Refer to HAC-305, "Removal and Installation".

NO >> GO TO 5.

5.CHECK THERMO CONTROL AMP. SIGNAL CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between thermo control amp. harness connector and BCM harness connector.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation" (with Intelligent Key) or BCS-161, "Removal and Installation" (without Intelligent Key).

NO >> Repair harness or connector.

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