Nissan Versa Sedan. Manual — part 817
TM-174
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
P0734 4GR INCORRECT RATIO
With GST
1. Drive vehicle and maintain the following conditions for 2 seconds or more.
2. Check the first trip DTC.
Is “OUT OF CONDITION”, “STOP VEHICLE”, or “COMPLETED RESULT NG” displayed? / Is “P0734”
detected?
YES-1 (OUT OF CONDITION.)>>Perform “step 2” again.
YES-2 (STOP VEHICLE.)>>GO TO 3.
YES-3 (COMPLETED RESULT NG)>>Go to
.
YES-4 (“P0734” is detected.)>>Go to
.
NO
>> GO TO 3.
3.
CHECK SYMPTOM
1. Stop the vehicle.
2. Drive vehicle in “D” position allowing it to shift from 1GR to 4GR and check shift timing and shift shock.
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009267938
1.
MALFUNCTION CAUSE SIMULATION TEST
GI-45, "Intermittent Incident"
Is the check result normal?
YES
>> Replace the transaxle assembly. Refer to
TM-250, "Removal and Installation"
.
NO
>> Repair or replace the malfunctioning parts.
Selector lever
: D position
Gear
: 4GR
Accelerator pedal position
: 0.7/8 or more
Vehicle speed
: 20 km/h (13 MPH) or more
P073E UNABLE TO ENGAGE R RANGE
TM-175
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
C
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TM
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P073E UNABLE TO ENGAGE R RANGE
Description
INFOID:0000000009267939
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
INFOID:0000000009267940
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
• “
” must be performed before starting “DTC CONFIRMATION PROCE-
DURE”.
• 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
1. Select “R POSITION FNCTN” in “DTC & SRT confirmation” in “TRANSMISSION”.
2. Drive vehicle according to the following conditions.
3. Keep the current driving status for 2 seconds or more if CONSULT screen changes from “OUT OFCONDI-
TION” 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
.
With GST
1. Start the engine.
2. Drive vehicle and maintain the following conditions for 2 seconds or more.
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
Selector lever
: R position
Throttle position
: 0.7/8 or more
Vehicle speed
: 5 km/h (8 MPH) or more
TM-176
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
P073E UNABLE TO ENGAGE R RANGE
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
.
YES-4 (“P073E” is detected.)>>Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009267941
1.
MALFUNCTION CAUSE SIMULATION TEST
GI-45, "Intermittent Incident"
Is the check result normal?
YES
>> Replace the transaxle assembly. Refer to
TM-250, "Removal and Installation"
.
NO
>> Repair or replace the malfunctioning parts.
Selector lever
: R position
Throttle position
: 0.7/8 or more
Vehicle speed
: 5 km/h (8 MPH) or more
P073F UNABLE TO ENGAGE 1GR
TM-177
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
C
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G
H
I
J
K
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A
B
TM
N
O
P
P073F UNABLE TO ENGAGE 1GR
Description
INFOID:0000000009267942
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 mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC Logic
INFOID:0000000009267943
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
• “
” must be performed before starting “DTC CONFIRMATION PROCE-
DURE”.
• 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 (CHECK 1)
With CONSULT
1. Select “1ST GR FNCTN P0731” in “DTC & SRT confirmation” in “TRANSMISSION”.
NOTE:
“1ST GR FNCTN P0731” can be used in this diagnosis.
2. Drive vehicle according to the following conditions.
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P073F
Unable to Engage Gear 1
Under the following diagnosis
conditions, the gear ratio is
3.033 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: D position
- Gear: 1st
- Throttle position: 3/8 or more
• Low clutch solenoid valve
• Control valve assembly
Under the following diagnosis
conditions, the gear ratio is
3.033 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: 1 position
- Throttle position: 0.7/8 or
more
• Low clutch solenoid valve
• Control valve assembly
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