Nissan Versa Sedan. Manual — part 815
TM-166
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
P0731 1GR INCORRECT RATIO
P0731 1GR INCORRECT RATIO
Description
INFOID:0000000009267927
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:0000000009267928
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
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0731
Gear 1 Incorrect Ratio
Under the following diagnosis
conditions, the gear ratio is
1.531 –1.593 (2GR ratio), 0.980
–1.020 (3GR ratio), or 0.683 –
0.711 (4GR ratio) 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: 1GR
- Throttle position: 3/8 or more
• Clutches and brakes
• Hydraulic circuit
• Control valve assembly
Under the following diagnosis
conditions, the gear ratio is
1.531 –1.593 (2GR ratio), 0.980
–1.020 (3GR ratio), or 0.683 –
0.711 (4GR ratio) 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
• Clutches and brakes
• Hydraulic circuit
• Control valve assembly
P0731 1GR INCORRECT RATIO
TM-167
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
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1. Select “1ST GR FNCTN P0731” in “DTC Work Support” 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 “P0731” is detected, check the DTC. Refer to
.
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 “P0731”
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 (“P0731” is detected.)>>Go to
.
NO
>> GO TO 3.
3.
CHECK DTC DETECTION (CHECK 2)
With CONSULT
1. Select “1ST GR FNCTN P0731” in “DTC Work Support” 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 “P0731” is detected, check the DTC. Refer to
.
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 “P0731”
detected?
YES-1 (OUT OF CONDITION.)>>Perform step 3 again.
YES-2 (STOP VEHICLE.)>>GO TO 4.
YES-3 (COMPLETED RESULT NG)>>Go to
.
YES-4 (“P0731” is detected.)>>Go to
.
Selector lever
: D position
Gear
: 1GR
Accelerator pedal position
: 3/8 or more
Vehicle speed
: 20 km/h (13 MPH) or more
Selector lever
: D position
Gear
: 1GR
Accelerator pedal position
: 3/8 or more
Vehicle speed
: 20 km/h (13 MPH) or more
Selector lever
: 1 position
Accelerator pedal position
: 0.7/8 or more
Vehicle speed
: 20 km/h (13 MPH) or more
Selector lever
: 1 position
Accelerator pedal position
: 0.7/8 or more
Vehicle speed
: 20 km/h (13 MPH) or more
TM-168
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
P0731 1GR INCORRECT RATIO
NO
>> GO TO 4.
4.
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:0000000009267929
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.
P0732 2GR INCORRECT RATIO
TM-169
< DTC/CIRCUIT DIAGNOSIS >
[4AT: RE4F03C]
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P0732 2GR INCORRECT RATIO
Description
INFOID:0000000009267930
This malfunction is detected when the A/T does not shift into 2GR 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:0000000009267931
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 “2ND GR FNCTN P0732” in “DTC Work Support” 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 “P0732” is detected, check the DTC. Refer to
.
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0732
Gear 2 Incorrect Ratio
Under the following diagnosis
conditions, the gear ratio is
2.804 – 2.918 (1GR ratio),
0.980 – 1.020 (3GR ratio), or
0.683 – 0.711 (4GR ratio) con-
tinuously 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: 2 position
- Gear: 2GR
- Throttle position: 0.7/8.0 or
more
• Clutches and brakes
• Hydraulic circuit
• Control valve assembly
Selector lever
: 2 position
Gear
: 2GR
Accelerator pedal position
: 0.7/8 or more
Vehicle speed
: 20 km/h (13 MPH) or more
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