Infiniti G35 (V35). Manual - part 57

A/T SHIFT LOCK SYSTEM

AT-219

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A/T Device Inspection Table

NCS000IR

Data are reference value and are measured between each terminal and ground.

Diagnostic Procedure

NCS000IS

SYMPTOM 1:

●

Selector lever cannot be moved from “P” position with key in ON position and brake pedal
applied.

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Selector lever can be moved from “P” position with key in ON position and brake pedal released.

●

Selector lever can be moved from “P” position when key is removed from key cylinder.

SYMPTOM 2:

●

Ignition key cannot be removed when selector lever is set to “P” position.

●

Ignition key can be removed when selector lever is set to any position except “P” position.

1. 

CHECK KEY INTERLOCK CABLE

Check key interlock cable for damage.
OK or NG

OK

>> GO TO 2.

NG

>> Repair key interlock cable. Refer to 

AT-222, "KEY INTERLOCK CABLE"

 .

2. 

CHECK SELECTOR LEVER POSITION

Check selector lever position for damage. Refer to 

AT-216, "Checking of A/T Position"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Check selector lever. Refer to 

AT-215, "Adjustment of A/T Position"

 .

3. 

CHECK POWER SOURCE

1.

Turn ignition switch ON.

2.

Check voltage between A/T device harness connector M47 ter-
minal 2 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 4.

Terminal

Wire color

Item

Condition 

Judgment standard

1

B

Ground

Always 

Approx. 0 V

2

Y/G

Shift lock relay (switch side) 
and shift lock solenoid

Ignition switch: ON

Battery voltage

Ignition switch: OFF

Approx. 0 V

4

OR

Shift lock relay (coil side) 
and park position switch

When brake pedal is depressed

Battery voltage

When brake pedal is released 

Approx. 0 V

Voltage: Battery voltage

SCIA4989E

AT-220

A/T SHIFT LOCK SYSTEM

4. 

DETECT MALFUNCTIONING ITEM

Check the following.

1.

Harness for short or open between ignition switch and A/T device harness connector M47 terminal 2.

2.

10 A fuse. [No.12, located in the fuse block (J/B)] 

3.

Ignition switch. Refer to 

PG-3, "POWER SUPPLY ROUTING CIRCUIT"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace damaged parts.

5. 

CHECK INPUT SIGNAL A/T DEVICE

1.

Turn ignition switch OFF.

2.

Disconnect A/T device harness connector.

●

Check voltage between A/T device harness connector M47 ter-
minal 4 and ground.

OK or NG

OK

>> GO TO 7.

NG

>> GO TO 6.

6. 

DETECT MALFUNCTIONING ITEM

Check the following.
1.

Harness for short or open between battery and stop lamp switch harness connector terminal 3.

2.

Harness for short or open between stop lamp switch harness connector E124 terminal 4 and A/T device
harness connector M47 terminal 4.

3.

10 A fuse. [No.20, located in the fuse block (J/B)]

4.

Stop lamp switch.

–

Check continuity between stop lamp switch harness connector E124 terminals 3 and 4.

Check stop lamp switch after adjusting brake pedal — refer to   

BR-6, "BRAKE PEDAL"

 .

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace damaged parts.

Voltage:

Depressed brake pedal

: Battery voltage

Released brake pedal

: Approx. 0 V

SCIA4889E

SCIA3953E

A/T SHIFT LOCK SYSTEM

AT-221

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7. 

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect A/T device harness connector.

3.

Check continuity between A/T device harness connector M47
terminal 1 and ground.

If OK, check harness for short to ground and short to power.

OK or NG

OK

>> GO TO 8.

NG

>> Repair open circuit or short to ground or short to power

in harness or connectors.

8. 

CHECK PARK POSITION SWITCH AND SHIFT LOCK RELAY CIRCUIT (COIL SIDE)

Check continuity between A/T device harness connector M47 terminals 1 and 4.

OK or NG

OK

>> GO TO 9.

NG

>>

●

Replace park position switch or shift lock relay.

●

Repair open circuit or short to ground or short to power in harness or connectors.

9. 

CHECK SHIFT LOCK SOLENOID AND SHIFT LOCK RELAY CIRCUIT (SWITCH SIDE)

1.

Connect A/T device harness connector.

2.

Turn ignition switch ON.

3.

Check shift lock solenoid and shift lock relay operation.

OK or NG

OK

>> GO TO 10.

NG

>>

●

Replace shift lock solenoid or shift lock relay.

●

Repair open circuit or short to ground or short to power in harness or connectors.

10. 

CHECK A/T DEVICE INSPECTION

1.

Perform A/T device input/output signal inspection test. Refer to 

AT-219, "A/T Device Inspection Table"

 .

2.

If NG, recheck harness connector connection.

OK or NG

OK

>> INSPECTION END

NG

>> Repair or replace damaged parts.

Continuity should exist.

SCIA4991E

SCIA1218E

Condition

Brake pedal

Operation

When ignition switch is turned to ON position and 
selector lever is set in “P” position.

Depressed

Yes

Released

No

AT-222

KEY INTERLOCK CABLE

KEY INTERLOCK CABLE

PFP:34908

Components

NCS000IT

CAUTION:

●

Install key interlock cable in such a way that it will not be damaged by sharp bends, twists or inter-
ference with adjacent parts.

●

After installing key interlock cable to control device, make sure that casing cap and bracket are
firmly secured in their positions. If casing cap can be removed with an external load of less than
39.2 N (4.0 kg, 8.8 lb), replace key interlock cable with new one.

SCIA1229E