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:
P0100 MAF sensor
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit
Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or ...
P0703 brake switch B
Description
BCM detects ON/OFF state of the stop lamp switch and transmits the data to
the CVT control unit via CAN
communication by converting the data to a signal.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CON ...
P061A ECM
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.INSPECTION START
1. Turn ignition switch ON.
2. Erase DTC.
3. Turn ignition switch OFF and wait for 20 seconds.
4. Turn ignition switch ON and perform the self-diagnosis.
Is the DTC P061A displayed again?
YES >> GO TO 2.
NO &g ...
