Nissan Altima 2007-2012 Service Manual: Power distribution system
- Basic inspection
- Function diagnosis
- Component diagnosis
- U1000 can comm circuit
- U1010 control unit (CAN)
- B2553 ignition relay
- B260A ignition relay
- B2611 ACC relay
- B2614 ACC relay circuit
- B2615 blower relay circuit
- B2616 ignition relay circuit
- B2618 BCM
- B261A push-button ignition switch
- Power supply and ground circuit
- Push-button ignition switch position indicator
- ECU diagnosis
- Symptom diagnosis
- Precaution
- On-vehicle repair
On-vehicle repair
IPDM E/R (INTELLIGENT POWER DISTRIBUTION
MODULE ENGINE ROOM)
Removal and Installation
REMOVAL
1. Disconnect the battery negative terminal.
2. Remove the IPDM E/R cover (1) while pressing the p ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the e ...
Other materials:
NVIS (Nissan vehicle immobilizer system-nats)
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
• The NVIS (NATS) is an anti-theft system by registering an Intelligent Key
ID in to the vehicle and prevents
the engine being started by an unregistered Intelligent Key. It has a higher
protection agains ...
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 ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
colant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cur ...
