Nissan Maxima Service and Repair Manual: Body control system
- Basic inspection
- System description
- DTC/Circuit diagnosis
- ECU diagnosis information
- Wiring diagram
- Combination switch system symptoms
- Precautions
- Preparation
- BCM (Body control module))
BCM (BODY CONTROL MODULE) Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Register TPMS transmitter IDs Check Intelligent Key relative signal strength Confirm vehicle Intelligent Key antenna signal strength VALUES ON THE DIAGNOSIS TOOL Terminal Layout Physical Values 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.
BCM (BODY CONTROL MODULE) Wiring Diagram
SYMPTOM DIAGNOSIS COMBINATION SWITCH SYSTEM SYMPTOMS Symptom Table Perform the data monitor of CONSULT to check for any malfunctioning item. Check the malfunction combinations Identify the malfunctioning part from the agreed combination and repair or replace the part.
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 driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Commercial Service Tools
REMOVAL AND INSTALLATION Removal and Installation REMOVAL CAUTION: Before replacing BCM, perform "READ CONFIGURATION" to save or print current vehicle specification. Refer to BCS-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure ". Remove the combination meter. Refer to MWI-122, "Removal and Installation ". Remove the BCM screws (A) using a suitable tool and pull out the BCM (1). Disconnect the harness connector from the BCM (1) and remove. INSTALLATION Installation is in the reverse order of removal. CAUTION: When replacing BCM, perform "WRITE CONFIGURATION ".
