Nissan Altima 2007-2012 Service Manual: ECU diagnosis
BCM (BODY CONTROL MODULE)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
Terminal Layout
Physical Values
1: Sedan only
2: With LH front window anti-pinch
3: With LH and RH front window anti-pinch
4: With Intelligent Key
5: Without Intelligent Key
Wiring Diagram-Coupe
Wiring Diagram-Sedan
Fail Safe
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.
DTC Index
NOTE:
Details of time display
• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning ignition switch OFF → ON again.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1 → 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch OFF → ON after returning to the normal condition if the malfunction is detected again.
Function diagnosis
INTERIOR ROOM LAMP CONTROL SYSTEM
System Diagram
System Description
OUTLINE
• Interior room lamps* are controlled by interior room lamp timer control
function of BCM.
*:Front room/map l ...
Symptom diagnosis
INTERIOR LIGHTING SYSTEM SYMPTOMS
Symptom Table
CAUTION:
Perform the self-diagnosis with CONSULT-III before the symptom diagnosis.
Perform the trouble diagnosis
if any DTC is detected.
...
Other materials:
Diagnosis system (BCM)
Diagnosis Description
BCM CONSULT-III FUNCTION
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system
selecti ...
B2605 PNP switch
Description
BCM confirms the shift position with the following 4 signals.
• CVT selector lever
• P/N position switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2605 is displayed with DTC U1000, first ...
Camshaft
Removal and Installation
1. Camshaft bracket (No.1)
2. Washer
3. Front cover (partial view)
4. Chain guide
5. Chain tensioner
6. O-ring(s)
7. Chain tensioner spring
8. Chain tensioner plunger
9. IVT control solenoid valve
10. IVT control cover
11. Camshaft sprocket (EXH)
12. Camshaft ...