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:
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
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
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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Description This malfunction is detected when the A/T does not shift into 1GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by ...
Maintenance precautions
When performing any inspection or maintenance
work on your vehicle, always take care to prevent
serious accidental injury to yourself or damage to
the vehicle. The following are general precautions
which should be closely observed.
WARNING
Park the vehicle on a level surface, apply
the pa ...
Drive belt
1. Water pump pulley
2. Generator pulley
3. Manual tensioner pulley
4. Air conditioner compressor pulley
5. Crankshaft pulley
WARNING
Be sure the ignition switch is placed in the
OFF or LOCK position before servicing
drive belt. The engine could rotate
unexpectedly.
1. Visually inspect t ...