Nissan Altima 2007-2012 Service Manual: Ecu diagnosis

DIAGNOSIS SENSOR UNIT

Wiring Diagram

Trouble Diagnosis with CONSULT-III

DIAGNOSTIC CODE CHART

NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp or CONSULT-III each time repair is finished. If malfunction is still observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.

Trouble Diagnosis without CONSULT-III

WARNING LAMP FLASH CODE CHART

NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp each time repair is finished. If malfunction is still observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.

    B1209 – b1210 collision detection
    Description DTC B1209 - B1210 COLLISION DETECTION The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a frontal or side deployment of one or m ...

    Symptom diagnosis
    SRS AIR BAG SYSTEM "AIR BAG" Warning Lamp Does Not Turn Off DIAGNOSTIC PROCEDURE 7 1.CHECK CONDITION OF AIR BAG MODULE Inspect for any deployed air bag modules or seat belt pre-tension ...

    Other materials:

    Additional service when replacing control unit
    Description When replacing ECM, this procedure must be performed. Special Repair Requirement 1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS Refer to SEC-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (Coupe) or SEC- 214, &qu ...

    Steering gear and linkage
    Exploded View 1. Cotter pin 2. Steering gear assembly Removal and Installation REMOVAL 1. Remove the front tires. 2. Remove undercover using power tool. 3. Remove lower side bolt of lower joint. 4. Remove cotter pin (1), and then loosen the nut. 5. Remove steering outer socket ...

    C1734 control unit
    Description An internal malfunction has been detected in the TPMS function of the BCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.CHECK SELF-DIAGNOSTIC RESULTS 1. On SELECT DIAG MODE, select the SELF-DIAG RESULT screen. 2. Check display contents on SELF DIAG RESULT screen ...