Infiniti I30 (A33). Manual — part 69
2
CHECK SELECTOR LEVER POSITION
Check selector lever position for damage.
OK or NG
OK
©
GO TO 3.
NG
©
Check selector lever. Refer to “ON-VEHICLE SERVICE — Park/Neutral Position (PNP)
Switch and Control Cable Adjustment”, AT-281, AT-282.
3
CHECK POWER SOURCE
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between A/T device harness terminal 5 and ground.
SAT758J
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 4.
4
DETECT MALFUNCTIONING ITEM
Check the following items:
1. Harness for short or open between ignition switch and A/T device harness terminal 5
2. Fuse
3. Ignition switch (Refer to EL-10, “POWER SUPPLY ROUTING”.)
OK or NG
OK
©
GO TO 5.
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
A/T SHIFT LOCK SYSTEM
Diagnostic Procedure (Cont’d)
AT-273
5
CHECK INPUT SIGNAL A/T DEVICE
Turn ignition switch to OFF position.
I
Check voltage between A/T device harness terminal 7 and ground.
SAT759J
OK or NG
OK
©
GO TO 7.
NG
©
GO TO 6.
6
DETECT MALFUNCTIONING ITEM
Check the following items:
1. Harness for short or open between battery and stop lamp switch harness connector 2
2. Harness for short or open between stop lamp switch harness connector 1 and A/T device harness connector 7
3. Fuse
4. Stop lamp switch
a. Check continuity between terminals 1 and 2.
SAT760J
Check stop lamp switch after adjusting brake pedal — refer to BR-13, “Adjustment”.
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
7
CHECK GROUND CIRCUIT
1. Turn ignition switch to OFF position.
2. Disconnect A/T device harness connector.
3. Check continuity between A/T device harness terminal 6 and ground. Refer to wiring diagram — SHIFT —.
Continuity should exist.
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.
A/T SHIFT LOCK SYSTEM
Diagnostic Procedure (Cont’d)
AT-274
8
CHECK RELAY CIRCUIT
1. Turn ignition switch to ON and OFF position.
I
Check continuity between terminals 1, 2, 3 and 5.
SAT775J
Yes or No
Yes
©
GO TO 9.
No
©
Replace relay.
9
CHECK PARK POSITION SWITCH
I
Check continuity between A/T device harness terminal 6 and relay (park position switch) harness terminal 1.
SAT761J
OK or NG
OK
©
GO TO 10.
NG
©
Replace park position switch.
10
CHECK SHIFT LOCK SOLENOID
I
Check operation by applying battery voltage shift lock solenoid harness terminals 1 and 3.
SAT762J
OK or NG
OK
©
GO TO 11.
NG
©
Replace shift lock solenoid.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
A/T SHIFT LOCK SYSTEM
Diagnostic Procedure (Cont’d)
AT-275
11
CHECK SHIFT LOCK OPERATION
1. Reconnect shift lock harness connector.
2. Turn ignition switch from OFF to ON position. (Do not start engine.)
3. Recheck shift lock operation.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 12.
12
CHECK A/T DEVICE INSPECTION
1. Perform A/T device input/output signal inspection test.
2. If NG, recheck harness connector connection.
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
Key Interlock Cable
NHAT0113
SAT649J
A/T SHIFT LOCK SYSTEM
Diagnostic Procedure (Cont’d)
AT-276
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