2004 Nissan-Datsun Truck Quest V6-3.5L (VQ35) DTC P1273 A/F Sensor 1

2004 Nissan-Datsun Truck Quest V6-3.5L (VQ35)

DTC P1273 A/F SENSOR 1

DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.

WITH CONSULT-II

1. Start engine and warm it up to normal operating temperature.

2. Turn ignition switch OFF and wait at least 10 seconds .

3. Turn ignition switch ON and select "SELF-LEARNING CONT" in "WORK SUPPORT" mode with CONSULT-II.

4. Clear the self-learning coefficient by touching "CLEAR".

5. Turn ignition switch OFF and wait at least 10 seconds . 

6. Start engine and keep the engine speed between 3,500 rpm and 4,000 rpm for 1 minute under no load. 

7. Let engine idle for 1 minute . Download File PDF