Nissan Altima (L32) 2007-2012 Service Manual: B261A push-button ignition switch
Description
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication line to BCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions, and wait for at least 1 second.
- CVT selector lever is in the P or N position.
- Release the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Go to PCS-75, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns to ON.
Does ignition switch turn to ON? YES >> GO TO 2
NO >> GO TO 4
2. CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
1. Disconnect push-button ignition switch.
2. Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal? YES >> GO TO 3
NO >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation".
3. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1. Disconnect IPDM E/R and BCM.
2. Check continuity between IPDM E/R harness connector (A) and push-button ignition switch harness connector (B).
3. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal? YES >> GO TO 6
NO >> Repair or replace harness.
4. CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)
1. Disconnect push-button ignition switch.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal? YES >> GO TO 5
NO >> Replace BCM. Refer to BCS-96, "Removal and Installation".
5. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1. Disconnect BCM and IPDM E/R.
2. Check continuity between BCM harness connector (A) and push-button ignition switch harness connector (B).
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal? YES >> GO TO 6
NO >> Repair or replace harness.
6. CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
B2618 BCM
Description
BCM controls the various electrical components and simultaneously supplies
power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
...
Other materials:
Inspection and adjustment
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT
Precaution for TCM and CVT
Assembly Replacement
CAUTION:
• Check if new data (Unit ID) are entered correctly after replacing CVT assembly
and erasing data in
TCM. (Connect CONSULT-III, and then turn ignition switch OFF.)
• When replacing CV ...
Jump starting
To start your engine with a booster battery, the
instructions and precautions below must be followed.
WARNING
● If done incorrectly, jump starting can
lead to a battery explosion, resulting in
severe injury or death. It could also
damage your vehicle.
● Explosive hydrogen gas is a ...
Rear door speaker (sedan)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the rear door speakers using the audio signal
circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connectors B121, B122 ...
