Nissan Versa
Sedan Service Manual
Transmission & driveline » Transaxle & transmission (TM)
P073E Unable to engage r range

Description

This malfunction is detected when the A/T does not shift into reverse position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc

DTC Logic

DTC DETECTION LOGIC

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P073E

Unable to Engage Reverse

Under the following diagnosis conditions, the gear ratio is 2.449 or more continuously for 2 seconds or more.

- Diagnosis condition

- Shifting is not in progress.

- Input speed: 300 rpm or more

- Output speed: 300 rpm or more

- Engine speed: (Input speed - 50 rpm) or more

- Selector lever: R position

- Throttle position: 0.7/8.0 or more

- High clutch/low & reverse brake solenoid valve

- Control valve assembly

DTC CONFIRMATION PROCEDURE

CAUTION:

"TM, "Diagnosis Procedure"" must be performed before starting "DTC CONFIRMATION PROCEDURE".
Never perform "DTC CONFIRMATION PROCEDURE" before completing the repair, which may cause secondary malfunction.
Always drive vehicle at a safe speed.

1.PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>> GO TO 2.

2.CHECK DTC DETECTION

With CONSULT

Select "R POSITION FNCTN" in "DTC & SRT confirmation" in "TRANSMISSION".
Drive vehicle according to the following conditions.

Selector lever : R position

Throttle position : 0.7/8 or more

Vehicle speed : 5 km/h (8 MPH) or more

3. Keep the current driving status for 2 seconds or more if CONSULT screen changes from "OUT OFCONDITION" to "TESTING".

CAUTION: When "TESTING" is not indicated on CONSULT for a long time, check "Self Diagnostic Results" in "TRANSMISSION". When a DTC other than "P073E" is detected, check the DTC. Refer to TM, "DTC Index".

With GST

Start the engine.
Drive vehicle and maintain the following conditions for 2 seconds or more

Selector lever : R position

Throttle position : 0.7/8 or more

Vehicle speed : 5 km/h (8 MPH) or more

3. Check the first trip DTC.

Is "OUT OF CONDITION", "STOP VEHICLE" or "COMPLETED RESULT NG" displayed? / Is "P073E" detected?

YES-1 (OUT OF CONDITION.)>>Perform "step 2" again.

YES-2 (STOP VEHICLE.)>>INSPECTION END

YES-3 (COMPLETED RESULT NG)>>Go to TM, "Diagnosis Procedure".

YES-4 ("P073E" is detected.)>>Go to TM, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.MALFUNCTION CAUSE SIMULATION TEST

Refer to GI, "Intermittent Incident".

Is the check result normal?

YES >> Replace the transaxle assembly. Refer to TM, "Removal and Installation".

NO >> Repair or replace the malfunctioning parts.

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Nissan Versa Sedan Service ManualTransmission & driveline » Transaxle & transmission (TM)P073E Unable to engage r range

P073E Unable to engage r range

Nissan Versa
Sedan Service Manual
Transmission & driveline » Transaxle & transmission (TM)
P073E Unable to engage r range