Nissan Qashqai J11. Manual — part 1960
PCS-112
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F2 IGNITION RELAY
B26F2 IGNITION RELAY
DTC Description
INFOID:0000000010434066
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Ignition relay circuit is short)
• BCM
• IPDM E/R
• Fuse block (J/B)
FAIL-SAFE
Inhibit engine cranking
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON, and wait for 2 seconds or more.
2.
Check “Self-diagnosis result” with CONSULT.
Is DTC detected?
YES
>> Refer to
PCS-112, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010519147
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 CONTROL SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 3.
3.
CHECK IGNITION RELAY CONTROL SIGNAL CIRCUIT
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B26F2-00
IGN RELAY ON
(Ignition 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.
(+)
(–)
Condition
Voltage
BCM
Connector
Terminal
M70
67
Ground
Ignition switch
ON
0 – 0.5 V
OFF
9 - 16 V
PCS
B26F2 IGNITION RELAY
PCS-113
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
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1.
Turn ignition switch OFF.
2.
Disconnect BCM and fuse block (J/B) connectors.
3.
Check continuity between BCM harness connector and fuse block (J/B) harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY
Check ignition relay. Refer to
PCS-111, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace fuse block (J/B).
NO
>> Replace ignition relay.
5.
REPLACE IPDM E/R
1.
Replace IPDM E/R. Refer to
PCS-68, "Removal and Installation"
.
2.
Turn ignition switch ON and check the DTC again.
Is DTC "B26F2-00" displayed?
YES
>> Replace BCM. Refer to
BCS-135, "Removal and Installation"
.
NO
>> INSPECTION END.
Component Inspection
INFOID:0000000010508617
1.
CHECK IGNITION RELAY
1.
Turn ignition switch OFF.
2.
Remove ignition relay.
3.
Check continuity between ignition relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace ignition relay.
BCM
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M70
67
M76
3B
Existed
BCM
—
Continuity
Connector
Terminal
M70
67
Ground
Not existed
Terminal
Condition
Continuity
Ignition relay
12 V direct current supply between termi-
nals
and .
Existed
No current supply
Not existed
SEF497Y
PCS-114
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
ACCESSORY RELAY
ACCESSORY RELAY
Diagnosis Procedure
INFOID:0000000010500760
1.
CHECK ACCESSORY RELAY POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Remove accessory relay.
3.
Check voltage between accessory relay connector and ground.
Is the inspection normal?
YES
>> GO TO 3.
NO
>> GO TO2.
2.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT 1
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and accessory relay connector.
3.
Check continuity between accessory relay connector and ground.
Is the inspection normal?
YES
>> Replace BCM. Refer to
BCS-132, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK ACCESSORY RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between accessory relay connector and ground.
Is the inspection normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT 2
Check voltage between accessory relay connector and ground.
Is the inspection normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
(+)
(–)
Voltage
Fuse block (J/B)
Accessory relay (Upstream side of relay
excitation coil circuit)
Ground
Battery voltage
Fuse block (J/B)
BCM
Continuity
Connector
Terminal
Accessory relay (Downstream side of relay exci-
tation coil circuit)
M70
65
Existed
Fuse block (J/B)
—
Continuity
Accessory relay (Downstream side of relay excitation coil cir-
cuit
Ground
Not existed
Fuse block (J/B)
—
Continuity
Accessory relay (Downstream side of relay excitation coil cir-
cuit)
Ground
Existed
Fuse block (J/B)
—
Voltage
Accessory relay (Upstream side of relay contact circuit)
Ground
Battery voltage
PCS
ACCESSORY RELAY
PCS-115
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
5.
CHECK ACCESSORY RELAY
Check accessory relay. Refer to
PCS-115, "Component Inspection"
.
Is the inspection normal?
YES
>> INSPECTION END.
NO
>> Replace accessory relay.
Component Inspection
INFOID:0000000010508618
1.
CHECK ACCESSORY RELAY
1.
Turn ignition switch OFF.
2.
Remove accessory relay.
3.
Check continuity between accessory relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace accessory relay.
Terminal
Condition
Continuity
Accessory relay
12 V direct current supply between termi-
nals
and .
Existed
No current supply
Not existed
SEF497Y
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