Nissan Altima (L32) 2007-2012 Service Manual ≻ Security control system sedan without intelligent key ≻ Component diagnosis ≻ Power supply and ground circuit

Nissan Altima (L32) 2007-2012 Service Manual: Power supply and ground circuit

BCM

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 link after repairing the affected circuit.

NO >> GO TO 2

2. CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM.

3. Check voltage between BCM harness connector and ground.

Is the measurement normal? YES >> GO TO 3

NO >> Repair or replace harness.

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist? YES >> Inspection End.

NO >> Repair or replace harness.

Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

Initialize control unit. Refer to BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement".

>> Work End.

B26e1 no reception of engine status signal

Description BCM receives the engine status signal from ECM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B26E1 is displayed with DTC U1000, first perform the trouble dia ...

IPDM E/R (Intelligent power distribution module engine room)

Diagnosis Procedure 1. CHECK FUSES AND FUSIBLE LINK Check that the following IPDM E/R fuses or fusible link are not blown. Is the fuse blown? YES >> Replace the blown fuse or fusible ...

Other materials:

NISSAN Intelligent Key Operation
You can lock or unlock the doors and trunk lid without taking the Intelligent Key out of your pocket or bag. When you carry the Intelligent Key with you, you can lock or unlock all doors and trunk lid by pushing the door handle request switch (if so equipped) within the range of operation. Lockin ...

Warning/Indicator lights (red)
For additional information on warnings and indicators, see "Vehicle information display - 5 inch (13 cm) Type A" or "Vehicle information display - 7 inch (18cm) Type B". or Brake warning light This light functions for both the parking brake and the foot brake systems. Parking brake indicator (if s ...

LED Daytime Running Lights (DRL) system
The LED DRL automatically illuminate at 100% intensity when the engine is started and the parking brake released. The LED Daytime Running Lights (DRL) operate with the headlight switch in any position. When you turn the headlight switch to the position for full illumination, the LED DRL illuminate ...