Nissan Sentra. Instruction — part 686
PCS
B26F6 BCM
PCS-97
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace BCM. Refer to
PCS-98
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
PUSH-BUTTON IGNITION SWITCH
Component Function Check
INFOID:0000000009755887
1.
CHECK FUNCTION
1. Select “PUSH SW” in “Data Monitor” of BCM with CONSULT.
2. Check the push-button ignition switch signal under the following conditions.
Is the indication normal?
YES
>> Inspection End.
NO
>> Go to
.
Diagnosis Procedure
INFOID:0000000009755888
Regarding Wiring Diagram information, refer to
.
1.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (PUSH-BUTTON IGNITION SWITCH)
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector and IPDM E/R connector E39.
3. Check voltage between push-button ignition switch connector M25 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1. Disconnect BCM connector M83.
2. Check continuity between BCM connector M83 and push-button ignition switch connector M25.
3. Check continuity between BCM connector M83 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
3.
CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
Check voltage between IPDM E/R connector E39 and ground.
Test item
Condition
Status
PUSH SW
Push-button ignition switch is pressed
On
Push-button ignition switch is not pressed
Off
Push-button ignition switch
Ground
Voltage
(Approx.)
Connector
Terminal
M25
8
—
Battery voltage
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M83
55
M25
8
Yes
BCM
Ground
Continuity
Connector
Terminal
M83
55
—
No
PCS
PUSH-BUTTON IGNITION SWITCH
PCS-99
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1. Disconnect BCM connector M83.
2. Check continuity between IPDM E/R connector E39 and push-button ignition switch connector M25.
3. Check continuity between IPDM E/R connector E39 and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
5.
CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button ignition switch connector M25 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connectors.
6.
CHECK PUSH-BUTTON IGNITION SWITCH
PCS-99, "Component Inspection"
.
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace push-button ignition switch. Refer to
PCS-102, "Removal and Installation"
.
Component Inspection
INFOID:0000000009755889
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.
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E39
66
—
Battery voltage
IPDM E/R
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
E39
66
M25
8
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E39
66
—
No
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M25
4
—
Yes
Push-button ignition switch terminals
Condition
Continuity
4 – 8
Pressed
Yes
Not pressed
No
PCS-100
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
NO
>> Replace push-button ignition switch.
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