Nissan Juke Service and Repair Manual : P0643 sensor power supply
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more
than 8 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 1 second.
2. Check DTC.
Is DTC detected? YES >> Proceed to EC-307, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK SENSOR POWER SUPPLY
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> GO TO 2.
2.CHECK SENSOR POWER SUPPLY ROUTING CIRCUIT FOR SHORT
1. Turn ignition switch OFF.
2. Check harness for short to power and to ground, between the following terminals.
*1: LHD models or RHD with CVT models *2: RHD with M/T models
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK COMPONENT
S
Check the following.
• Refrigerant pressure sensor Refer to EC-423, "Diagnosis Procedure".
• Crankshaft position sensor Refer to EC-273, "Component Inspection".
• Throttle position sensor Refer to EC-203, "Component Inspection".
• Accelerator pedal position sensor Refer to EC-387, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace malfunctioning component.
P062B ECM
Description This DTC is detected when the ECM-integrated injector driver unit has a malfunction. For injector driver unit, refer to EC-31, "ECM". DTC Logic DTC DETECTION LOGIC DTC C ...P0850 PNP switch
Description For CVT models, transmission range switch is turn ON when the selector lever is P or N. For M/T models, park/neutral position (PNP) range switch is ON when the selector lever is Ne ...Other materials:
System setting
Temperature Setting Trimmer
DESCRIPTION
If the temperature felt by the customer is different from the air flow
temperature controlled by the temperature
setting, the A/C auto amp. control temperature can be adjusted to compensate for
the temperature setting.
HOW TO SET
With CONSULT-III
P ...
B terminal circuit
Description
The “B” terminal is constantly supplied with battery power.
Diagnosis Procedure
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following
procedure.
1. Remove fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is ...
Front passenger air bag module
Exploded View
1. Front passenger air bag module
2. Instrument panel assembly
: Pawl
: Do not reuse
: N·m (kg-m, ft-lb)
Removal and Installation
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative
terminal and wait 3 minutes
or more.
• Always work from th ...