Nissan Titan. Manual - part 608

A/T SHIFT LOCK SYSTEM

TM-115

< DTC/CIRCUIT DIAGNOSIS >

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• Check continuity between terminals of the stop lamp switch.

Check stop lamp switch after adjusting brake pedal.

Condition

Terminal No.

Continuity

When brake pedal is depressed

3 -4

Yes

When brake pedal is released

No

AWDIA0419ZZ

TM-116

< DTC/CIRCUIT DIAGNOSIS >

1ST POSITION SWITCH

1ST POSITION SWITCH

CONSULT Reference Value in Data Monitor Mode

INFOID:0000000009885878

Diagnosis Procedure

INFOID:0000000009885879

1.

CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis. Refer to 

TM-38, "CONSULT Function (TRANSMISSION)"

.

Is any malfunction in the CAN communication indicated in the results?

YES

>> Check CAN communication line. Refer to 

TM-48

.

NO

>> GO TO 2.

2.

CHECK 1ST POSITION SWITCH CIRCUIT

 With CONSULT

1. Turn ignition switch “ON”.

2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT.

3. Read out “1 POSITION SW”.

Check the signal of the 1st position switch is indicated properly.

 Without CONSULT

1. Turn ignition switch “ON”. (Do not start engine)

2. Check voltage between A/T shift selector connector terminal

and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 3.

3.

CHECK 1ST POSITION SWITCH

1. Turn ignition switch “OFF”.

2. Disconnect A/T shift selector connector.

Item name

Condition

Display value

1 POSITION SW

When setting selector lever to “1” position.

ON

When setting selector lever to other positions.

OFF

Monitor item

Condition

Display value

1 POSITION SW

When setting selector lever to “1” position.

ON

When setting selector lever to other positions.

OFF

Item

Connector

Terminal

Condition

Data

(Approx.)

1st position 

switch

M203

7 - Ground

When setting selec-
tor lever to “1” posi-
tion.

0V

When setting selec-
tor lever to other po-
sitions.

Battery 
voltage 

JSDIA1487ZZ

1ST POSITION SWITCH

TM-117

< DTC/CIRCUIT DIAGNOSIS >

C

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F

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3. Check continuity between A/T shift selector connector terminals.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace A/T shift selector assembly.

4.

DETECT MALFUNCTIONING ITEM

Check the following. If any items are damaged, repair or replace damaged parts.

• Harness for short or open between combination meter connector terminal 4 and A/T shift selector connector

terminal 7.

• Harness for short or open between A/T shift selector connector terminal 8 and ground.
OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5.

CHECK COMBINATION METER

Check the combination meter. Refer to 

MWI-27, "Diagnosis Description"

.

OK or NG

OK

>> INSPECTION END

NO

>> Repair or replace damaged parts.

Item

Connector

Terminal

Condition

Continuity

1st position 

switch

M203

7 - 8

When setting selec-
tor lever to “1” posi-
tion.

Yes

When setting selec-
tor lever to other 
positions.

No

JSDIA1488ZZ

TM-118

< DTC/CIRCUIT DIAGNOSIS >

4TH POSITION SWITCH

4TH POSITION SWITCH

CONSULT Reference Value in Data Monitor Mode

INFOID:0000000009885880

Diagnosis Procedure

INFOID:0000000009885881

1.

CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis. Refer to 

TM-38, "CONSULT Function (TRANSMISSION)"

.

Is any malfunction in the CAN communication indicated in the results?

YES

>> Check CAN communication line. Refer to 

TM-48

.

NO

>> GO TO 2.

2.

CHECK 4TH POSITION SWITCH CIRCUIT

 With CONSULT

1. Turn ignition switch “ON”.

2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT.

3. Read out “OD CONT SW”.

Check the signal of the overdrive control switch is indicated properly.

 Without CONSULT

1. Turn ignition switch “ON”. (Do not start engine)

2. Check voltage between A/T shift selector connector terminal

and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 3.

3.

CHECK 4TH POSITION SWITCH

1. Turn ignition switch “OFF”.

2. Disconnect A/T shift selector connector.

Item name

Condition

Display value

OD CONT SW

Releasing overdrive control switch

OFF

Holding overdrive control switch

ON

Monitor item

Condition

Display value

OD CONT SW

When setting the selector lever to “4” and “3” positions.

ON

When setting the selector lever to other positions.

OFF

Item

Connector

Terminal

Condition

Data

(Approx.)

4th position 

switch

M203

1 - Ground

When setting the 
selector lever to “4” 
and “3” positions.

0V 

When setting the 
selector lever to 
other positions.

Battery 
voltage 

JSDIA1489ZZ