Nissan Leaf. Manual — part 1167
TM-74
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
P0780 SHIFT ERROR
P0780 SHIFT ERROR
DTC Logic
INFOID:0000000010119579
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, power switch OFF and wait for at least
10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Set the vehicle to READY.
2. Shift the selector lever to N position and wait for 10 seconds or more.
3. Press the P position switch to shift to P position and wait for 10 seconds or more.
4. Check DTC.
Is “P0780” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010119580
1.
REPLACE REDUCTION GEAR
Replace the reduction gear due to malfunction in the parking actuator. Refer to
.
>> END
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible cause
P0780
SHIFT ERROR
(Shift Error)
In spite of the command from the electric shift con-
trol module, the parking actuator does not complete
the switching to the designated position (P position
or another position).
Parking actuator
P1722 VEHICLE SPEED
TM-75
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
P1722 VEHICLE SPEED
DTC Logic
INFOID:0000000010119581
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
1.
PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, power switch OFF and wait for at least
10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Set the vehicle to READY.
2. Drive the vehicle at 30 km/h (19 MPH) or more for 60 seconds.
3. Stop the vehicle.
4. Check DTC.
Is “P1722” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010119582
1.
CHECK DTC OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT
1. Power switch ON.
2. Perform “Self Diagnostic Results” in “ABS”.
Is any DTC detected?
YES
>> Check DTC detected item. Refer to
NO
>> GO TO 2.
2.
CHECK DTC OF VCM
With CONSULT
1. Power switch ON.
2. Perform “Self Diagnostic Results” in “EV/HEV”.
Is any DTC detected?
YES
>> Check DTC detected item. Refer to
.
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
GI-53, "Intermittent Incident"
.
Is the inspection result normal?
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible cause
P1722
VEHICLE SPEED
(Vehicle Speed Signal Circuit)
• The electric shift control module detects a
malfunction in the CAN communication sig-
nal with the ABS actuator and electric unit
(control unit).
• The ABS actuator and electric unit (control
unit) detects a malfunction with the wheel
sensor.
• ABS actuator and electric unit
(control unit)
• VCM
• Electric shift control module
• Harness or connectors
(Each circuit is open or shorted.)
TM-76
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
P1722 VEHICLE SPEED
YES
>> Replace the VCM due to malfunction in the electric shift control module built in VCM. Refer to
EVC-423, "Removal and Installation"
NO
>> Repair or replace damaged parts.
P1802 CONTROL MODULE
TM-77
< DTC/CIRCUIT DIAGNOSIS >
[ELECTRIC SHIFT]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
P1802 CONTROL MODULE
DTC Logic
INFOID:0000000010119583
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, power switch OFF and wait for at least
10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Power switch OFF to ON and wait for 2 seconds or more.
2. Check DTC.
Is “P1802” detected?
YES
>> Go to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-53, "Intermittent Incident"
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010119584
1.
REPLACE VCM
Replace the VCM due to malfunction in the electric shift control module built in VCM. Refer to
>> END
DTC
CONSULT screen terms
[Trouble diagnosis content]
DTC detection condition
Possible cause
P1802
CONTROL MODULE
[Control Module (RAM)]
A malfunction is detected in the electric shift
control module.
Electric shift control module
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