Nissan Juke Service and Repair Manual : Power supply and ground circuit
PTC HEATER CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10A fuses (No. 3 and 7).
NOTE
:
Refer to PG-23, "Fuse and Fusible Link 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 PTC HEATER CONTROL UNIT POWER SUPPLY
1. Disconnect PTC heater control unit connector.
2. Check voltage between PTC heater control unit harness connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair harness or connector between PTC heater control unit and fuse.
3.CHECK PTC HEATER CONTROL UNIT GROUND CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Check continuity between PTC heater control unit harness connector and ground.
Is the inspection result normal? YES >> Replace PTC heater control unit.
NO >> Repair harness or connector.
B257B, B257C ambient sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to HAC-
275, "DTC Logic".
• If DTC is displaye ...
A/C switch
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 “AIR COND SW” in “DATA MONITOR” mode, ...
Other materials:
Supplemental air bag warning light
The supplemental air bag warning light, displaying
in the instrument panel, monitors the
circuits for the air bag systems, pretensioners and all related wiring.
When the ignition switch is in the ON position, the supplemental air bag warning
light illuminates for about 7 seconds and then tu ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much malfunction information (conditions
and environment when the malfunction
occurred) as possible when the customer brings the vehicle in.
>> GO TO 2.
2. ...
Light & rain sensor
Component Function Check
1.CHECK FRONT WIPER AUTO OPERATION
1. Clean rain sensor detection area of windshield fully.
2. When the front wiper switch is turned to AUTO position, front wiper operates
once regardless of a rainy
condition.
Is front wiper (AUTO) operation normally?
YES >> ...
