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:
Diagnosis system (A/C auto AMP.)
Description
Air conditioning system performs self-diagnosis, operation check, function
diagnosis, and various settings
using diagnosis function of each control unit.
CONSULT-III Function
CONSULT-III performs the following functions via CAN communication with A/C
auto amp.
NOTE:
Diagnos ...
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any of
the customer's comments; refer to DLK-139, &q ...
U1010 control unit (CAN)
Description
Initial diagnosis of A/C auto amp.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III.
3. Check DTC.
Is DTC detected?
...
