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? 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? 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? 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
Cooling fan
Component Function Check
1.CHECK COOLING FAN FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-III.
3. Touch “LOW” and “Hi” on the ...
Fuel injector
Component Function Check
1.INSPECTION START
Turn ignition switch to START.
Is any cylinder ignited?
YES >> GO TO 2.
NO >> Go to EC-778, "Diagnosis Procedure".
2.CHECK ...
Other materials:
P1612 chain of ECM-IMMU
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble
diagnosis for DTC U1000.
Refer to BCS-83, "DTC Logic".
• If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble
diagnosis for DTC U1010.
...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Interview the symptom to the customer.
>> GO TO 2.
2.SYMPTOM CHECK
Check the symptom from the customer's information.
>> GO TO 3.
3.BASIC INSPECTION
Check the operation o ...
B2555 stop lamp
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Depress the brake pedal and wait 1 second or more.
2. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES >> Go to SEC-73, "Diagnosis Procedu ...