Nissan Juke Service and Repair Manual : Thermo control amplifier
Component Function Check
1.CHECK A/C ON SIGNAL
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? 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? 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? 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? 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? 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.
Blower fan on signal
Component Function Check
1.CHECK BLOWER FAN ON SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “AIR CONDITIONER” of “BCM” using CONSULT-III.
3. Select “FAN ON SIG” in “DATA MONITOR” ...
A/C indicator
Diagnosis Procedure
1.CHECK SYMPTOM
Check symptom.
A/C indicator dose not turn ON>>GO TO 2.
A/C indicator dose not turn OFF>>GO TO 6.
2.CHECK FUSE
1. Turn ignition switch OFF.
...
Other materials:
B1150 curtain air bag module LH
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp statu ...
Contents
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B20A0 cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B20A0 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to PCS-
59, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Re ...
