Nissan Leaf. Manual — part 994
PCS
B261A POWER SWITCH
PCS-59
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B261A POWER SWITCH
DTC Logic
INFOID:0000000010120325
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press power switch under the following conditions, and wait for 1 second or more.
-
Shift position is in the P position
-
Do not depress brake pedal
2. Perform Self Diagnostic Result of BCM with CONSULT.
Is DTC B261A detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120326
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SWITCH (PUSH SWITCH) OUTPUT SIGNAL
1. Disconnect power switch connector and IPDM E/R connector E17.
2. Check voltage between power switch connector M33 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SWITCH CIRCUIT (BCM)
1. Disconnect BCM connector M23.
2. Check continuity between BCM connector M23 and power switch connector M33.
3. Check continuity between power switch connector M33 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
ENGINE SW
[B261A]
The following status is compared, and does not
agree for 1 second or more.
• Power switch signal
• Power switch status signal (CAN)
• Harness or connectors
(Power switch circuit)
• BCM
• IPDM E/R
Power switch
Ground
Voltage
(Approx.)
Connector
Terminal
M33
8
—
Battery voltage
BCM
Power switch
Continuity
Connector
Terminal
Connector
Terminal
M23
76
M33
8
Yes
Power switch
Ground
Continuity
Connector
Terminal
M33
8
—
No
PCS-60
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B261A POWER SWITCH
3.
CHECK POWER SWITCH (PUSH SWITCH) OUTPUT SIGNAL (IPDM E/R)
Check voltage between IPDM E/R connector E17 and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK POWER SWITCH (PUSH SWITCH) CIRCUIT (IPDM E/R)
1. Disconnect BCM connector M23.
2. Check continuity between IPDM E/R connector E17 and power switch connector M33.
3. Check continuity between power switch connector M33 and ground.
Is the inspection result normal?
YES
>> Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace harness or connectors.
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E17
66
—
Battery voltage
IPDM E/R
Power switch
Continuity
Connector
Terminal
Connector
Terminal
E17
66
M33
8
Yes
Power switch
Ground
Continuity
Connector
Terminal
M33
8
—
No
PCS
B26F1 IGNITION RELAY
PCS-61
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B26F1 IGNITION RELAY
DTC Logic
INFOID:0000000010120327
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn power switch ON, and wait for 2 seconds or more.
2. Perform Self Diagnostic Result of BCM with CONSULT.
Is DTC B26F1 detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120328
Regarding Wiring Diagram information, refer to
.
1.
CHECK IGNITION RELAY-1 (IPDM E/R) CONTROL SIGNAL
Check voltage between BCM connector M23 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
2.
CHECK IGNITION RELAY-1 (IPDM E/R) CONTROL SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector M23 and IPDM E/R connector E17.
3. Check continuity between BCM connector M23 and IPDM E/R connector E17.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
.
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
IGN RELAY OFF STUCK
[B26F1]
BCM transmits ignition relay-1 control signal
(ON: 0 V) or power switch ON signal (ON) (CAN),
but does not receives power switch ON signal
(ON) (CAN) from IPDM E/R.
• Harness or connectors
(ignition relay-1 circuit is open)
• BCM
• IPDM E/R
BCM
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M23
98
—
Power switch ON
0 - 0.5
BCM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M23
98
E17
68
Yes
PCS-62
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F2 IGNITION RELAY
B26F2 IGNITION RELAY
DTC Logic
INFOID:0000000010120329
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn power switch ON, and wait for 2 seconds or more.
2. Perform Self Diagnostic Result of BCM with CONSULT.
Is DTC B26F2 detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120330
Regarding Wiring Diagram information, refer to
.
1.
CHECK IGNITION RELAY-1 (IPDM E/R) CONTROL SIGNAL
1. Turn power switch OFF.
2. Check voltage between IPDM E/R connector E17 and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-29, "Removal and Installation"
NO
>> GO TO 3.
2.
CHECK IGNITION RELAY-1 (IPDM E/R) CONTROL SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector M23 and IPDM E/R connector E17.
3. Check continuity between IPDM E/R connector E17 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
IGN RELAY ON STUCK
[B26F2]
BCM transmits ignition relay-1 control signal
(OFF: 12 V) or power switch ON signal (OFF)
(CAN), but does not receives power switch ON
signal (OFF) (CAN) from IPDM E/R.
• Harness or connectors
(ignition relay-1 circuit is short)
• BCM
• IPDM E/R
IPDM E/R
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
E17
68
—
Power switch OFF or ACC
Battery voltage
IPDM E/R
Ground
Continuity
Connector
Terminal
E17
68
—
No
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