Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Diagnosis system (IPDM E/R)

Diagnosis Description AUTO ACTIVE TEST Description In auto active test mode, the IPDM E/R sends a drive signal to the following systems to check their operation. Oil pressure warning lamp F ...

Power supply and ground circuit

BCM (BODY CONTROL MODULE) BCM (BODY CONTROL MODULE) : Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown. 2. CHECK POWER SUPPLY CIRCU ...

Other materials:

Step lamp circuit
Description Controls the step lamp (ground side) to turn the step lamp ON and OFF. Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver output/power supply Step lamp bulbs 1.CHECK STEP LAMP OPERATION CONSULT Turn igni ...

B2603 shift position status
Description BCM confirms the shift position with the following 2 signals.  CVT selector lever  P/N position switch DTC Logic DTC DETECTION LOGIC NOTE: If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to ...

BCM (Body control module))
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 ". Remo ...