Nissan Altima (L32) 2007-2012 Service Manual: Combination switch input circuit
Diagnosis Procedure
1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1. Turn the ignition switch OFF.
2. Disconnect the BCM and combination switch.
3. Check continuity between BCM harness connector and combination switch harness connector.
Does continuity exist? YES >> GO TO 2
NO >> Repair or replace harness.
2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Does continuity exist? YES >> Repair or replace harness.
NO >> GO TO 3
3. CHECK BCM OUTPUT VOLTAGE
1. Connect the BCM.
2. Check voltage between BCM harness connector and ground.
Is the measurement normal? YES >> GO TO 4
NO >> Replace BCM. Refer to BCS-96, "Removal and Installation".
4. CHECK BCM INPUT SIGNAL
1. Connect the combination switch.
2. Turn ON any switch in the system that is malfunctioning.
3. Check voltage between BCM harness connector and ground.
Is the measurement normal when any of the switches is turned ON? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".
NO >> Replace the combination switch. Refer to WW-121, "Removal and Installation".
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement".
>> Work End.
Power supply and ground circuit
Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuse or fusible link are blown. Is the fuse or fusible link blown? YES >> Replace the blown fuse or fusible li ...Combination switch output circuit
Diagnosis Procedure 1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN 1. Turn the ignition switch OFF. 2. Disconnect the BCM and combination switch. 3. Check continuity between BCM harness connect ...Other materials:
BSW/LDW automatic deactivation
When dirt, rain or snow cannot be removed by
the automatic washer and blower and accumulates
on the camera, making it impossible to
detect the vehicles or the lane markers, the BSW
and/or LDW system will be turned off automatically.
The BSW light (white) and/or LDW light
(white) will blink, ...
IPDM-E branch line circuit
Diagnosis Procedure
INSPECTION 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 IPDM E/R for damage, bend and loose
connection (unit side
and connector side).
Is the in ...
Diagnosis system (IPDM E/R)
Diagnosis Description
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following
systems to check their operation.
• Oil pressure warning lamp
• Front wiper (LO, HI)
• Parking lamps
• License plate lamps
• Tail lamps
• Front fog ...