Nissan Altima 2007-2012 Service Manual: U1010 control unit (CAN)

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1. REPLACE BCM

When DTC U1010 is detected, replace BCM.

>> Replace BCM. Refer to BCS-96, "Removal and Installation".

    U1000 can comm circuit
    Description Refer to LAN-7, "System Description". DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.PERFORM SELF DIAGNOSTIC 1. Turn ignition switch ON and wait for 2 second or mo ...

    B2553 ignition relay
    Description BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON. • Ignition relay-1 (inside IPDM E/R) • Ignition relay-2 (inside f ...

    Other materials:

    B210c starter control relay
    Description Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and the steering is locked or unlocked. It is installed in parallel with the starter relay. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B210C is displayed with DTC U100 ...

    P0117, P0118 ECT sensor
    Description The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in ...

    P0447 Evap canister vent control valve
    Description The EVAP canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the ECM. When the ECM sends an ON signal, the coil in the solenoid valve is energized. A plunger will then move to seal the ca ...