Infiniti G35 (V35). Manual — part 57
A/T SHIFT LOCK SYSTEM
AT-219
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AT
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
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
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
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