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:
P0420 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage ...
Park/neutral position (PNP) switch
Exploded View
1. Washer
2. Manual lever
3. PNP switch
4. CVT assembly
Removal and Installation
Refer to the figure for removal and installation.
NOTE:
• Align PNP switch position when installing.
• After installation of PNP switch, check the continuity of PNP switch.
• Afte ...
Front bumper
Removal and Installation
1. Front bumper supports
2. Front bumper side bracket
3. Reinforcement bracket
4. Front bumper reinforcement
5. Front energy absorbing foam
6. Front bumper fascia
7. Tow hook cover
8. Front grille
9. License plate bracket
10. Fog lamp finisher (if equipped)
11. ...