Nissan Maxima. Manual — part 896
PCS-64
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
>> Work End.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure
INFOID:0000000010049508
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connectors.
3. Check voltage between IPDM E/R harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and
ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
1
Battery power supply
B
2
A, D
36
A, E, L
Terminals
Voltage (V)
(Approx.)
(+)
(
−)
IPDM E/R
Connector
Terminal
Ground
E16
1
Battery voltage
2
E18
36
IPDM E/R
Ground
Continuity
Connector
Terminal
A: E18
12
Yes
B: E17
41
ALCIA0034ZZ
PCS
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
PCS-65
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
Description
INFOID:0000000010049450
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:0000000010049451
1.
CHECK FUNCTION
With CONSULT
1. Check push-button ignition switch (“LOCK INDICATOR”,“ACC INDICATOR” and “IGNITION ON IND”) in
Active Test Mode with CONSULT.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000010049452
Regarding Wiring Diagram information, refer to
1.
CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch.
3. Check voltage between push-button ignition switch harness con-
nector 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.
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
Test item
Description
LOCK INDICATOR
ACC INDICATOR
IGNITION ON IND
ON
Position indicator
: Illuminate
OFF
: Not illuminate
Terminals
Voltage (V)
(+)
(-)
Push-button ignition switch
Ground
Connector
Terminal
M38
8
Battery voltage
ALMIA0096ZZ
PCS-66
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
1. Disconnect BCM and push-button ignition switch.
2. Check continuity between BCM harness connector and push-
button ignition switch harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK PUSH-BUTTON IGNITION SWITCH
PCS-67, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace push-button ignition switch. Refer to
SEC-164, "Removal and Installation"
.
4.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
>> Inspection End.
Indicator
BCM Con-
nector
Terminal
Push-button ignition
switch connector
Terminal
Continuity
LOCK
M18 (A)
42
M38 (D)
5
Yes
ACC
M17 (B)
15
6
ON
M19 (C)
81
7
ALMIA0097ZZ
Indicator
BCM connector
Terminal
Ground
Continuity
LOCK
M18 (A)
42
No
ACC
M17 (B)
15
ON
M19 (C)
81
ALMIA0098ZZ
PCS
PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR
PCS-67
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Component Inspection
INFOID:0000000010049453
1.
CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace push-button ignition switch. Refer to
.
Terminal
Push-button ignition switch
position
Continuity
Push-button ignition switch
8
5
LOCK
Yes
6
ACC
7
ON
ALMIA0099ZZ
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