Nissan Juke Service and Repair Manual : HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of A/C auto amp.
2. Check the resistance between the A/C auto amp. harness connector terminals.
- 4WD models
- 2WD models
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the A/C auto amp. branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
• 4WD models: HAC-73, "A/C AUTO AMP. : Diagnosis Procedure" • 2WD models: HAC-162, "A/C AUTO AMP. : Diagnosis Procedure"
Is the inspection result normal? YES (Present error)>>Replace the A/C auto amp. Refer to the following.
• 4WD models: HAC-91, "Removal and Installation" • 2WD models: HAC-188, "Removal and Installation"
YES (Past error)>>Error was detected in the A/C auto amp. branch line.
NO >> Repair the power supply and the ground circuit.
A-bag branch line circuit
Diagnosis Procedure WARNING: • Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.) • Never use unspecif ...MDU branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the multi display unit f ...Other materials:
P0037, P0038 HO2S2 heater
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 swit ...
Brake warning lamp
Component Function Check
1.CHECK BRAKE WARNING LAMP FUNCTION (1)
Check that brake warning lamp in combination meter turns ON for approx. 1
second after ignition switch is
turned ON.
CAUTION:
Never start engine.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed ...
Rear window defogger on signal
With auto A/C
WITH AUTO A/C : Description
Turns the indicator lamp in the rear window defogger switch ON when operating
the rear window defogger
WITH AUTO A/C : Component Function Check
1.CHECK REAR WINDOW DEFOGGER ON SIGNAL
Check that the indicator lamp of rear window defogger switch is illu ...