Nissan Juke Service and Repair Manual : Electrical load signal

Description

The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred to ECM through the CAN communication line.

Component Function Check

1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

1. Turn ignition switch ON.

2. Select DATA MONITOR mode with CONSULT-III.

3. Select LOAD SIGNAL and check indication under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 2.

NO >> Go to EC-776, "Diagnosis Procedure".

2.CHECK LIGHTING SWITCH FUNCTION

Check LOAD SIGNAL indication under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Go to EC-776, "Diagnosis Procedure".

3.CHECK HEATER FAN CONTROL SWITCH FUNCTION

Select HEATER FAN SW and check indication under the following conditions.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Go to EC-776, "Diagnosis Procedure".

Diagnosis Procedure

1.INSPECTION START

Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to EC-776, "Component Function Check".

Which circuit is related to the incident? Rear window defogger>>GO TO 2 Headlamp>>GO TO 3.

Heater fan>>GO TO 4.

2.CHECK REAR WINDOW DEFOGGER SYSTEM

Perform trouble diagnosis of rear window defogger system. Refer to DEF-25, "Work Flow".

>> INSPECTION END

3.CHECK HEADLAMP SYSTEM

Perform trouble diagnosis of headlamp system. Refer to EXL-43, "Work Flow".

>> INSPECTION END

4.CHECK AIR CONDITIONING SYSTEM

Perform trouble diagnosis of air conditioning system. Check type of air conditioning system HAC-10, "Information" and refer to the follows.

TYPE1: HAC-44, "Work Flow" TYPE2: HAC-135, "Work Flow" TYPE3: HAC-216, "Work Flow" TYPE4: HAC-271, "Work Flow" TYPE5: HAC-322, "Work Flow"

>> INSPECTION END

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