Nissan Leaf. Manual - part 1169

 

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Nissan Leaf. Manual - part 1169

 

 

TM-82

< DTC/CIRCUIT DIAGNOSIS >

[ELECTRIC SHIFT]

P1896 SHIFT POWER SUPPLY

P1896 SHIFT POWER SUPPLY

DTC Logic

INFOID:0000000010119593

DTC DETECTION LOGIC

Position Pattern Table

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. Select “Data Monitor” in “SHIFT”.

3. Select “RANGE POSITION”.

4. Shift the selector lever as follows. (Hold the selector lever at each position for 2 seconds or more.) 

-

→ N → R → N → D → N → H

5. Repeat step 4 five times.

6. Check DTC.
Is “P1896” detected? 

YES

>> Go to 

TM-82, "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:0000000010119594

1.

CHECK ELECTRIC SHIFT SENSOR INPUT SIGNAL

With CONSULT

1. Set the vehicle to READY.

2. Select “Data Monitor” in “SHIFT”.

3. Select “SHIFT SENSOR 1”, “SHIFT SENSOR 2”, “SHIFT SENSOR 3”, “SHIFT SENSOR 4”, “SHIFT SEN-

SOR 5”, and “SHIFT SENSOR 6”.

4. Operate the selector lever to identify a electric shift sensor of which value does not change.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

Possible cause

P1896

SHIFT POWER SUPPLY
(Electric Shift Sensor Power 
Supply)

It is detected that electric shift sensors No. 1, 3, and 
5 are stuck at OFF.

• Electric shift sensor
• Electric shift control module
• Harness or connectors

(Each circuit is open or short-
ed.)

It is detected that electric shift sensors No. 2, 4, and 
6 are stuck at OFF.

Electric shift control module 

recognition position

Selector lever position

Electric shift sensor

No.  1

No.  2

No.  3

No.  4

No.  5

No.  6

H

H

OFF

OFF

ON

OFF

OFF

ON

P

H

OFF

OFF

ON

OFF

OFF

ON

R

R

ON

ON

OFF

OFF

OFF

OFF

N

N

OFF

ON

ON

ON

OFF

OFF

D

D

OFF

OFF

OFF

ON

ON

OFF

P1896 SHIFT POWER SUPPLY

TM-83

< DTC/CIRCUIT DIAGNOSIS >

[ELECTRIC SHIFT]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

Without CONSULT

1. Set the vehicle to READY.

2. Operate the selector lever.

3. Check the voltage between VCM vehicle side harness connector terminal and ground.

>> GO TO 2.

2.

CHECK ELECTRIC SHIFT SENSOR POWER SUPPLY CIRCUIT

1. Power switch OFF.

2. Disconnect the electric shift sensor connector.

3. Power switch ON.

4. Check the power circuit of the malfunctioning electric shift sensor identified at Step 1.

5. Check the voltage between electric shift sensor vehicle side harness connector terminal and ground.

Is the inspection result normal?

Monitor item

Condition

Value / Status

SHIFT SENSOR 1

Selector lever is held in R position

ON

Other than the above

OFF

SHIFT SENSOR 2

Selector lever is held in R and N positions

ON

Other than the above

OFF

SHIFT SENSOR 3

Selector lever is held in H (Home) and N positions

ON

Other than the above

OFF

SHIFT SENSOR 4

Selector lever is held in N and D positions

ON

Other than the above

OFF

SHIFT SENSOR 5

Selector lever is held in D position

ON

Other than the above

OFF

SHIFT SENSOR 6

Selector lever in H (Home) position

ON

Other than the above

OFF

Electric 

shift sen-

sor

VCM

Ground

Condition

Voltage

(Approx.)

Connector

terminal

1

E61

17

Ground

Selector lever is held in R position

0 V

Other than the above

5 V

3

16

Selector lever is held in H (Home) and N posi-
tions

0 V

Other than the above

5 V

5

3

Selector lever is held in D position

0 V

Other than the above

5 V

2

E62

84

Selector lever is held in R and N positions

0 V

Other than the above

5 V

4

85

Selector lever is held in N and D position

0 V

Other than the above

5 V

6

86

Selector lever in H (Home) position

0 V

Other than the above

5 V

Electric shift sensor

Electric shift sensor

Ground

Voltage

(Approx.)

Connector

Terminal

1, 3, 5

M57

1

Ground

5 V

2, 4, 6

7

TM-84

< DTC/CIRCUIT DIAGNOSIS >

[ELECTRIC SHIFT]

P1896 SHIFT POWER SUPPLY

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK HARNESS BETWEEN VCM AND ELECTRIC SHIFT SENSOR

1. Power switch OFF.

2. Disconnect the VCM connector.

3. Check the continuity between VCM vehicle side harness connector terminal and electric shift sensor vehi-

cle side harness connector terminal.

4. Check the continuity between VCM vehicle side harness connector terminal and ground.

Is the inspection result normal?

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.

4.

CHECK ELECTRIC SHIFT SENSOR GROUND CIRCUIT

1. Power switch OFF.

2. Disconnect the VCM connector.

3. Check the continuity between VCM vehicle side harness connector terminal and electric shift sensor vehi-

cle side harness connector terminal.

4. Check the continuity between VCM vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK HARNESS BETWEEN VCM AND ELECTRIC SHIFT SENSOR

1. Check the continuity between VCM vehicle side harness connector terminal and electric shift sensor vehi-

cle side harness connector terminal.

Electric shift sensor

VCM

Electric shift sensor

Continuity

Connector

Terminal

Connector

Terminal

1, 3, 5

E61

7

M57

1

Existed

2, 4, 6

E62

83

7

Electric shift sensor

VCM

Ground

Continuity

Connector

Terminal

1, 3, 5

E61

7

Ground

Not existed

2, 4, 6

E62

83

Electric shift sensor

VCM

Electric shift sensor

Continuity

Connector

Terminal

Connector

Terminal

1, 3, 5

E61

57

M57

6

Existed

2, 4, 6

E62

124

12

Electric shift sensor

VCM

Ground

Continuity

Connector

Terminal

1, 3, 5

E61

57

Ground

Not existed

2, 4, 6

E62

124

P1896 SHIFT POWER SUPPLY

TM-85

< DTC/CIRCUIT DIAGNOSIS >

[ELECTRIC SHIFT]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

2. Check the continuity between VCM vehicle side harness connector terminals and ground.

Is the inspection result normal?

YES

>> Replace the electric shift sensor. Refer to 

TM-122, "Disassembly and Assembly"

.

NO

>> Repair or replace damaged parts.

Electric shift sensor

VCM

Electric shift sensor

Continuity

Connector

terminal

Connector

terminal

1

E61

17

M57

11

Existed

3

16

10

5

3

9

2

E62

84

5

4

85

3

6

86

4

Electric shift sensor

VCM

Ground

Continuity

Connector

terminal

1

E61

17

Ground

Not existed

3

16

5

3

2

E62

84

4

85

6

86

 

 

 

 

 

 

 

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