DTC Confirmation Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC PRIORITY

If DTC P0014 or P0024 is displayed with DTC P0078, P0084, P1078, or P1084, first perform the confirmation procedure (trouble diagnosis) for DTC P0078, P0084, P1078, or P1084.

Is applicable DTC detected?

YES

Perform diagnosis of applicable.
- DTC P0078: Refer to DTC LOGIC .
- DTC P0084: Refer to DTC LOGIC .
- DTC P1078: Refer to DTC DESCRIPTION .
- DTC P1084: Refer to DTC DESCRIPTION .
NO

GO TO STEP 2 .

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is between 10 V and 16 V at idle.

GO TO STEP 3 .

PERFORM DTC CONFIRMATION PROCEDURE - 1

With CONSULT

Turn the ignition switch ON and select "DATA MONITOR" mode of "ENGINE" using CONSULT.
Warm engine up to the normal operating temperature.

Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.

ENG SPEED	500 - 2, 000 rpm (A constant rotation is maintained)
COOLAN TEMP/S	More than 20°C (68°F)
Selector lever	P or N position

Let engine idle for 10 seconds.
Check 1st trip DTC.

With GST

Follow the procedure "With CONSULT" above.

Is 1st trip DTC detected?

YES

Proceed to DIAGNOSIS PROCEDURE

GO TO STEP 4 .

PERFORM DTC CONFIRMATION PROCEDURE - 2

With CONSULT

Select "DATA MONITOR" mode of "ENGINE" using CONSULT.

Maintain the following conditions for at least 20 consecutive seconds.

ENG SPEED	1, 400 - 3, 175 rpm (A constant rotation is maintained.)
COOLAN TEMP/S	More than 60°C (140°F)
Selector lever	1st or 2nd position
Driving location uphill	Driving vehicle uphill (Increased engine load will help maintain the driving conditions required for this test.)

CAUTION:

Always drive vehicle at a safe speed.

Check 1st trip DTC.

With GST

Follow the procedure "With CONSULT" above.

Is 1st trip DTC detected?

YES

Proceed to DIAGNOSIS PROCEDURE .

NO - 1

To check malfunction symptom before repair: Refer to INTERMITTENT INCIDENT .

NO - 2

Confirmation after repair: INSPECTION END