Nissan Altima 2007-2012 Service Manual: On-vehicle maintenance
Oil
Maintenance of Oil Quantity in Compressor
The oil in the compressor circulates through the system with the refrigerant.
Add oil to compressor when
replacing any component or after a large refriger ...
Other materials:
B2193, P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the engine to start.
Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGI ...
Lan system circuit
Description
SYMPTOM: Mode door motor, intake door motor and/or air mix door motor does
not operate normally.
Diagnosis Procedure
DIAGNOSIS PROCEDURE FOR LAN CIRCUIT
1.CHECK POWER SUPPLY FOR DOOR MOTORS
1. Press ignition switch ON.
2. Check voltage between front air control connector M37 ...
Symptom diagnosis
UNBALANCE STEERING WHEEL TURNING
FORCE (TORQUE VARIATION)
Description
• Hard steering when fully turning the steering wheel.
• Light steering when driving at a high speed.
Diagnosis Procedure
1.CHECK SYSTEM FOR POWER SUPPLY AND GROUND
Perform trouble diagnosis for power supply and gro ...