Nissan Altima 2007-2012 Service Manual: 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 connector and combination switch harness connector.
Does continuity exist? YES >> GO TO 2
NO >> Repair or replace harness.
2. CHECK OUTPUT 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 COMBINATION SWITCH OUTPUT VOLTAGE
1. Connect the BCM and combination switch.
2. Turn ON any switch in the system that is malfunctioning.
3. Check voltage between combination switch 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.
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 connect ...ECU diagnosis
BCM (BODY CONTROL MODULE) Reference Value VALUES ON THE DIAGNOSIS TOOL Terminal Layout Physical Values 1: Sedan only 2: With LH front window a ...Other materials:
AV 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 AV control unit for damage, bend
and loose connection (unit
side and connector side).
I ...
Parking, license plate and tail
lamps are not turned on
Description
The parking, license plate and tail lamps do not turn ON in with any lighting
switch setting.
Diagnosis Procedure
1.COMBINATION SWITCH INSPECTION
Check the combination switch. Refer to BCS-10, "System Description".
Is the combination switch normal?
YES >> GO T ...
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DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from A/F
sensor 1. The ECM calculates
the necessary compensation to correct the off ...