Nissan Altima (L32) 2007-2012 Service Manual: Power distribution system

• Basic inspection
• Function diagnosis
1. Power distribution system
2. Diagnosis system (BCM)
• Component diagnosis
1. U1000 can comm circuit
2. U1010 control unit (CAN)
3. B2553 ignition relay
4. B260A ignition relay
5. B2611 ACC relay
6. B2614 ACC relay circuit
7. B2615 blower relay circuit
8. B2616 ignition relay circuit
9. B2618 BCM
10. B261A push-button ignition switch
11. Power supply and ground circuit
12. Push-button ignition switch position indicator
• ECU diagnosis
1. BCM (Body control module)
2. IPDM E/R (Intelligent power distribution module engine room)
• Symptom diagnosis
• Precaution
• On-vehicle repair
1. BCM (Body control module)
2. Push button ignition switch