Nissan Altima (L32) 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.
Diagnosis Procedure
1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1. Turn the ignition switch OFF.
2. Disconnect the BCM and combination switch.
3. Check continuity between BCM harness connect ...
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
1. Perform the data monitor of CONSULT-III to check for any malfunctioning
item.
2. Check the malfunction combinations.
3. Identify the malfu ...