Nissan Altima 2007-2012 Service Manual: Door switch
Description
Detects door open/close condition and transmits the signal to BCM.
Component Function Check
1. CHECK FRONT DOOR SWITCH INPUT SIGNAL
Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-III. Refer to BCS- 34, "RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)".
Is the inspection result normal? YES >> Front door switch circuit is OK.
NO >> Refer to PWC-326, "Diagnosis Procedure".
Diagnosis Procedure
1. CHECK HARNESS CONTINUITY
Check voltage between BCM connector and ground.
Is the measurement value within the specification? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and front door switch.
3. Check continuity between BCM connector (A) and front door switch connector (B).
4. Check continuity between BCM connector (A) and ground.
Is the inspection result normal? YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
Is the measurement value within the specification? YES >> GO TO 4
NO >> Replace BCM. Refer to BCS-96, "Removal and Installation".
4. CHECK FRONT DOOR SWITCH
Check front door switch.
Refer to PWC-327, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace front door switch.
Component Inspection
1. CHECK FRONT DOOR SWITCH
Check front door switches.
Is the inspection result normal? YES >> Front door switch is OK.
NO >> Replace front door switch.
Passenger side
Description
Detects condition of the front power window motor RH operation and transmits
to power window and door
lock/unlock switch RH as pulse signal.
Component Function Check
1.CHECK ENCODER ...
Door key cylinder switch
Description
Power window main switch detects condition of the door key cylinder and
transmits to BCM as the LOCK or
UNLOCK signals.
Component Function Check
1. CHECK DOOR KEY CYLINDER SWITCH IN ...
Other materials:
Passenger compartment
1. Interior trunk access
2. Moonroof (if so equipped)
3. Sun visors
4. Interior lights, illuminated entry
5. HomeLink® universal transceiver
(if so equipped)
6. Automatic anti-glare rearview mirror
(if so equipped)
7. Glove box
8. Cup holders
9. Console box
10. Front seat
11. Re ...
Idle speed
Description
This describes how to check the idle speed. For the actual procedure, follow
the instructions in “BASIC
INSPECTION”.
Special Repair Requirement
1.CHECK IDLE SPEED
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
Check idle speed with Service $01 of GST.
> ...
P1421 cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with prewarming up condition.
This control promotes the activation of three way catalyst by heating the
catalyst and reduces emissions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1421 is displayed wit ...