Infiniti FX35, FX50 (S51). Manual — part 1427
PCS-66
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
Component Inspection
INFOID:0000000005240700
1.
CHECK PUSH-BUTTON IGNITION SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check continuity between push-button ignition switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace push-button ignition switch. Refer to
PCS-133, "Removal and Installation"
.
Push-button ignition switch
Condition
Continuity
Terminal
1
4
Push-button ignition
switch
Pressed
Existed
Not pressed
Not existed
PCS
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
PCS-67
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
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PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Description
INFOID:0000000005240701
The switch that changes the power supply position.
BCM maintains the power supply position status.
BCM changes the power supply position with the operation of the push-button ignition switch.
Component Function Check
INFOID:0000000005240702
1.
CHECK FUNCTION
Check push-button ignition switch (“LOCK INDICATOR”, “ACC INDICATOR” and “IGNITION ON IND”) in
Active Test Mode with CONSULT-III.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000005240703
1.
CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>>
Check the following.
• 10A fuse [No.9, located in fuse block (J/B)]
• Harness for open or short between push-button ignition switch and fuse
• If NG, repair or replace fuse or harness
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and push-button ignition switch harness connector.
3.
Check continuity between BCM harness connector and ground.
Test item
Description
LOCK INDICATOR
ACC INDICATOR
IGNITION ON IND
ON
Position indicator
Illuminates
OFF
Does not illuminate
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M50
8
Ground
Battery voltage
Indicator
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
LOCK
M123
134
M50
5
Existed
ACC
M119
15
6
ON
M122
93
7
PCS-68
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK PUSH-BUTTON IGNITION SWITCH
PCS-68, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace push-button ignition switch. Refer to
PCS-133, "Removal and Installation"
.
4.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000005240704
1.
CHECK PUSH-BUTTON IGNITION SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector.
3.
Check continuity between push-button ignition switch terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace push-button ignition switch. Refer to
PCS-133, "Removal and Installation"
.
Indicator
BCM
Ground
Continuity
Connector
Terminal
LOCK
M123
134
Not existed
ACC
M119
15
ON
M122
93
Terminal
Condition
Continuity
Push-button ignition switch
(+)
(–)
5
8
Push-button ignition
switch position
LOCK
Existed
6
ACC
7
ON
8
5
LOCK
Not existed
6
ACC
7
ON
PCS
POWER DISTRIBUTION SYSTEM
PCS-69
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER DISTRIBUTION SYSTEM
Wiring Diagram - PDS (POWER DISTRIBUTION SYSTEM) -
INFOID:0000000005240705
JCMWA4988GB
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