Nissan Altima 2007-2012 Service Manual: Collision diagnosis

For Frontal Collision

Check the SRS components using the following table.

• After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to SRC- 12, "SRS Operation Check".

SRS INSPECTION (FOR FRONTAL COLLISION)

For Side and Rollover Collision

Check the SRS components using the following table.

• After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to SRC- 12, "SRS Operation Check".

WHEN SRS IS ACTIVATED IN THE SIDE OR ROLLOVER COLLISION

1. Replace the following components: - Front seat back assembly (on the side on which side air bag is activated) - Diagnosis sensor unit - (LH or RH) side air bag (satellite) sensor (on the side on which side air bag is activated) 2. Check the SRS components and the related parts using the following table.

- Replace any SRS components and the related parts showing visible signs of damage (dents, cracks, deformation).

3. Conduct self-diagnosis using CONSULT-III and “AIR BAG” warning lamp. Refer to SRC-12, "SRS Operation Check" for details. Make sure entire SRS operates properly.

WHEN SRS IS NOT ACTIVATED IN THE SIDE OR ROLLOVER COLLISION

1. Check the SRS components and the related parts using the following table.

- If the front seat back assembly is damaged, the front seat back assembly must be replaced.

2. Conduct self-diagnosis using CONSULT-III and “AIR BAG” warning lamp. Refer to SRC-12, "SRS Operation Check" for details. Make sure entire SRS operates properly.

SRS INSPECTION (FOR SIDE AND ROLLOVER COLLISION)

    Occupant classification system control unit
    Removal and Installation The occupant classification system control unit, occupant classification system sensor, and sensor mat are an integral part of the front passenger seat cushion and are rep ...

    Other materials:

    Key slot illumination
    Description Blinks when Intelligent Key insertion is required. Component Function Check 1.CHECK FUNCTION Check key slot illumination (“KEY SLOT ILLUMI”) Active Test mode. Is the inspection result normal? YES >> Key slot function is OK. NO >> Refer to SEC-313, "Diagn ...

    P1572 ASCD Brake switch
    Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by those two types of input (ON/OFF signal). Refer to EC-1090, "System Diagram" for the ASCD function. DTC Logic DTC DETEC ...

    P0139, P0159 HO2S2
    Description The heated oxygen sensor 2, after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of the air fuel ratio (A/F) sensor 1 are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal from th ...