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 

TM-74, "Diagnosis Procedure"

.

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 

TM-21, "Removal and Installa-

tion"

.

>> 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 

TM-75, "Diagnosis Procedure"

.

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 

BRC-56, "DTC Index"

.

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 

EVC-102, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

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 

TM-77, "Diagnosis Procedure"

.

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 

EVC-423,

"Removal and Installation"

.

>> 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