Symptom 4. ATP Warning Lamp Does Not Turn ON

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM: When 4WD shift switch is set from "4H" to "4LO" with A/T selector lever in "P" position, ATP warning lamp does not turn ON.

Fig 1: ATP Warning Lamp Operation Diagram

Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK ATP SWITCH CIRCUIT
Check ATP switch circuit. Refer to "Diagnostic Procedure", "ATP SWITCH, WAIT DETECTION SWITCH AND NEUTRAL-4LO SWITCH", FRONT REVOLUTION SENSOR .

OK or NG
1. OK: GO TO 2.
2. NG: Check, repair or replace faulty parts.
CHECK FOLLOWING ITEMS
Check the following.
- ATP warning lamp
- Continuity between "TFCU" terminal 15 and ATP warning lamp (With VDC)
- Continuity between PNP ("P" position) switch terminal 7 and ATP warning lamp (Without VDC)
- Continuity between ATP warning lamp and ATP switch
OK or NG
1. OK: GO TO 4. (With VDC)/GO TO 3. (Without VDC)
2. NG: Repair or replace ATP warning lamp, harness or connector.
CHECK PNP SWITCH CIRCUIT (Without VDC)
Check PNP switch circuit. Refer to "DTC P0705: PARK/NEUTRAL POSITION SWITCH ".

OK or NG
1. OK: GO TO 4.
2. NG: Check, repair or replace faulty parts.
CHECK PROCEDURES FROM THE BEGINNING AGAIN
Check again.

OK or NG
1. OK: INSPECTION END
2. NG: Recheck each connector's pin terminals for damage or loose connection.