Nissan Leaf. Instruction — part 995
PCS
B26F6 BCM
PCS-63
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B26F6 BCM
DTC Logic
INFOID:0000000010120331
DTC DETECTION LOGIC
NOTE:
• If DTC B26F6 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B26F6 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn power switch ON, and wait for 0.5 seconds or more.
2. Perform Self Diagnostic Result of BCM with CONSULT.
Is DTC B26F6 detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010120332
1.
INSPECTION START
1. Turn power switch ON.
2. Select Self-diagnosis result of BCM with CONSULT.
3. Touch ERASE.
4. Perform Self-diagnosis result of BCM with CONSULT.
Is DTC B26F6 detected?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Inspection End.
CONSULT Display
DTC Detection Condition
Possible Cause
IGN USM CONT
[B26F6]
Power switch ON signal (CAN) (ON) is not trans-
mitted from IPDM E/R, when BCM turns ignition
relay-1 ON [Transmit power switch ON signal
(CAN) (ON)].
BCM
PCS-64
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
POWER SWITCH
POWER SWITCH
Component Function Check
INFOID:0000000010120333
1.
CHECK FUNCTION
1. Select PUSH SW in Data Monitor mode with CONSULT.
2. Check power switch (push switch) signal under the following conditions.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Go to
.
Diagnosis Procedure
INFOID:0000000010120334
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SWITCH (PUSH SWITCH) OUTPUT SIGNAL 1
1. Turn power switch OFF.
2. Disconnect power switch connector and IPDM E/R connector E17.
3. 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 (PUSH SWITCH) CIRCUIT 1
1. Disconnect BCM connector M23.
2. Check continuity between BCM connector M23 and power switch connector M33.
3. Check continuity between BCM connector M23 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> Repair or replace harness or connectors.
3.
CHECK POWER SWITCH (PUSH SWITCH) OUTPUT SIGNAL 2
Check voltage between IPDM E/R connector E17 and ground.
Test item
Condition
Status
PUSH SW
Power switch pressed
ON
Power switch released
OFF
Power switch
Ground
Voltage
(Approx.)
Connector
Terminal
M33
8
—
Battery voltage
BCM
Power switch
Continuity
Connector
Terminal
Connector
Terminal
M23
76
M33
8
Yes
BCM
Ground
Continuity
Connector
Terminal
M23
76
—
No
PCS
POWER SWITCH
PCS-65
< 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 POWER SWITCH (PUSH SWITCH) CIRCUIT 2
1. Disconnect BCM connector M23.
2. Check continuity between IPDM E/R connector E17 and power switch connector M33.
3. Check continuity 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
>> Repair or replace harness or connectors.
5.
CHECK POWER SWITCH (PUSH SWITCH) GROUND CIRCUIT
Check continuity between power switch connector M33 and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK POWER SWITCH (PUSH SWITCH)
Perform the power switch component inspection. Refer to
PCS-65, "Component Inspection"
.
Is the inspection result normal?
YES
>> Refer to
GI-53, "Intermittent Incident"
.
NO
>> Replace power switch. Refer to
PCS-71, "Removal and Installation"
.
Component Inspection
INFOID:0000000010120335
1.
CHECK POWER SWITCH (PUSH SWITCH)
1. Turn power switch OFF.
2. Disconnect power switch connector M33.
3. Check continuity between power switch terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace power switch. Refer to
PCS-71, "Removal and Installation"
.
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
IPDM E/R
Ground
Continuity
Connector
Terminal
E17
66
—
No
Power switch
Ground
Continuity
Connector
Terminal
M33
4
—
Yes
Power switch terminals
Condition
Continuity
8
4
Pressed
Yes
Released
No
PCS-66
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
POWER SWITCH POSITION INDICATOR
POWER SWITCH POSITION INDICATOR
Description
INFOID:0000000010120336
Power switch position indicator is controlled by BCM, and illuminates when power switch is in ACC or ON
position.
Component Function Check
INFOID:0000000010120337
1.
CHECK FUNCTION
1. Use CONSULT to perform PUSH SWITCH INDICATOR Active Test.
2. Touch On and verify that push switch indicator illuminates.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000010120338
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SWITCH CIRCUIT - 1
1. Turn power switch OFF.
2. Disconnect power switch connector.
3. Check voltage between power switch connector M33 and ground.
Is the inspection normal?
YES
>> GO TO 2.
NO-1 >> Check 10 A fuse [No.7, located in fuse block (J/B)].
NO-2 >> Check harness for open or short between power switch and fuse.
2.
CHECK POWER SWITCH CIRCUIT - 2
1. Disconnect BCM connector M23.
2. Check continuity between BCM connector M23 and power switch connector M33.
3. Check continuity between BCM connector M23 and ground.
Is the inspection normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK POWER SWITCH INTERNAL CIRCUIT
1. Connect power switch connector.
2. Check voltage between power switch connector M33 and ground.
Power switch
Ground
Voltage
(Approx.)
Connector
Terminal
M33
3
—
Battery voltage
BCM
Power switch
Continuity
Connector
Terminal
Connector
Terminal
M23
91
M33
7
Yes
BCM
Ground
Continuity
Connector
Terminal
M23
91
—
No
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