Nissan Altima 2007-2012 Service Manual: On-vehicle repair
ACCELERATOR CONTROL SYSTEM
Exploded View
1. Accelerator pedal and accelerator position sensor assembly.
2. Locating pins
Removal and Installation
REMOVAL
1. Disconnect the battery negative terminal.
2. Disconnect the accelerator position sensor electrical connector.
3. Remove the three accelerator pedal nuts.
4. Remove the accelerator pedal and accelerator position sensor assembly.
• For electrical inspection of the accelerator pedal position sensor. Refer to EC-429, "Component Inspection" (QR25DE for California), EC-938, "Component Inspection" (QR25DE Except for Calfornia), EC- 1461, "Component Inspection" (VQ35DE).
CAUTION: • Do not disassemble the pedal assembly. Do not remove the accelerator pedal position sensor from the pedal assembly.
• Avoid impact from dropping during handling.
• Keep the pedal assembly away from water.
INSTALLATION
Installation is in the reverse order of removal.
• Align and install accelerator pedal and accelerator position sensor assembly with locating pins in locating pin holes.
• Check the accelerator pedal for smooth operation. There should be no binding or sticking when applying or releasing the accelerator pedal.
• Check that the accelerator pedal moves through the full specified distance of pedal travel.
CAUTION: When the harness connector of the accelerator pedal position sensor is disconnected, perform the “Accelerator pedal released position learning”. Refer to EC-29, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement" (QR25DE for California), EC-565, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement" (QR25DE except for California), EC-1053, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement" (VQ35DE).
Precaution
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER ...
Service data and specifications
(SDS)
Accelerator Control
PEDAL TRAVEL
...
Other materials:
B261a push-button ignition switch
Description
IPDM E/R transmits the push-button ignition switch status via CAN
communication to BCM. BCM receives
push-button ignition switch status by hardwire input. BCM compares the 2 signals
for mismatch.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000 ...
Terminology
SAE J1930 Terminology List
All emission related terms used in this publication in accordance with SAE
J1930 are listed. Accordingly, new
terms, new acronyms/abbreviations and old terms are listed in the following
chart.
***: Not applicable ...
Precaution
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
dr ...