Nissan Altima 2007-2012 Service Manual: Starting system QR25DE
- Basic inspection
- Function diagnosis
- Component diagnosis
- Symptom diagnosis
- Precaution
- Preparation
- On-vehicle repair
- Service data and specifications (SDS)
On-vehicle repair
EXHAUST SYSTEM (VQ35DE)
Exploded View
1. RH rear muffler bracket
2. Gasket
3. Front exhaust tube
4. Ring gasket
5. Front exhaust tube hanger
6. Center exhaust tube
7. Mounting rubber
8. Cen ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter motor and
alternator test segments must be
done ...
Other materials:
Communication signal circuit (sedan) satellite radio tuner
Description
Communication signals are exchanged between the audio unit and satellite
radio tuner using the communication
circuits.
Diagnosis Procedure
1.CHECK HARNESS - 1
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector
B123 and au ...
P1225 TP Sensor
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has two sensors. These sensors are a
kind of potentiometer which transform the t ...
P2423 HC adsorption catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the phase gap between heated oxygen sensor 2
signal and heated oxygen sensor 3 signal.
The phase gap between heated oxygen sensor 2 signal and heated
oxygen sensor 3 signal becomes small as the HC adsorption catalyst
(under floor) is deteriorate ...
