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:
Wiring diagram
AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to GI-12, "Connector Information/Explanation
of Option Abbreviation".
...
Microphone signal circuit
Description
Power is supplied from audio unit to microphone. The microphone transmits the
sound voice to the audio unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN AUDIO UNIT AND MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and microphone connector.
...
P0340 CMP sensor (phase)
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis
for DTC P0643. Refer to
EC-686, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn
...
