Nissan Cube. Instruction — part 716
PCS
B26F1 IGNITION RELAY
PCS-89
< 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:0000000009945068
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for 2 seconds or more.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self-diagnosis result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009945069
1.
CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
1.
Turn ignition switch ON.
2.
Erase the DTC of IPDM E/R.
3.
Turn ignition switch OFF.
4.
Turn ignition switch ON and check the DTC again.
Is DTC detected?
YES
>> Repair or replace the malfunctioning part. Refer to
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace BCM. Refer to
BCS-88, "Removal and Installation"
3.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM and IPDM connectors.
3.
Check continuity between BCM harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B26F1
IGN RELAY OFF
BCM transmits the ignition relay control signal
(ON: 0 V) or ignition switch ON signal (ON)
(CAN), but does not receives ignition switch
ON signal (ON) (CAN) from IPDM E/R.
• Harness or connectors
(Ignition relay circuit is open)
• BCM
• IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M71
98
Ground
Ignition switch
ON
0
BCM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M71
98
E17
69
Existed
PCS-90
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F1 IGNITION RELAY
NO
>> Repair or replace harness.
PCS
B26F2 IGNITION RELAY
PCS-91
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B26F2 IGNITION RELAY
DTC Logic
INFOID:0000000009945070
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for 2 seconds or more.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self-diagnosis result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009945071
1.
CHECK IPDM E/R SELF-DIAGNOSTIC RESULT
1.
Turn ignition switch ON.
2.
Erase the DTC of IPDM E/R.
3.
Turn ignition switch OFF.
4.
Turn ignition switch ON and check the DTC again.
Is DTC detected?
YES
>> Repair or replace the malfunctioning part. Refer to
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT - 1
1.
Turn ignition switch OFF.
2.
Disconnect BCM and IPDM E/R connectors.
3.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B26F2
IGN RELAY ON
BCM transmits the ignition relay control signal
(OFF: 12 V) or ignition switch ON signal (OFF)
(CAN), but does not receives ignition switch
ON signal (OFF) (CAN) from IPDM E/R.
• Harness or connectors
(Ignition relay circuit is short)
• BCM
• IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E17
69
Ground
Ignition switch
OFF or ACC
12
IPDM E/R
Ground
Continuity
Connector
Terminal
E17
69
Not existed
PCS-92
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F2 IGNITION RELAY
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT - 2
1.
Connect IPDM E/R connectors.
2.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-88, "Removal and Installation"
NO
>> Replace IPDM E/R.
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E17
69
Ground
Ignition switch
OFF or ACC
12
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