Nissan X-Trail 32. Manual — part 1684
PCS-106
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B26F2 IGNITION RELAY
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace ignition relay.
NO
>> Repair or replace harness.
4.
CHECK IGNITION RELAY
Check ignition relay. Refer to
PCS-104, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace ignition relay.
5.
REPLACE IPDM E/R
1.
Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
.
2.
Turn ignition switch ON and check the DTC again.
Is DTC "B26F2-00" displayed?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> INSPECTION END.
Component Inspection
INFOID:0000000010741752
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
M87
67
M3
3C
Existed
BCM
—
Continuity
Connector
Terminal
M87
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
ACCESSORY RELAY
PCS-107
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ACCESSORY RELAY
Diagnosis Procedure
INFOID:0000000010741753
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 TO 2.
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-121, "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.
(+)
(–)
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)
M87
65
Existed
Fuse block (J/B)
–
Continuity
Accessory relay (Downstream side of relay excitation coil cir-
cuit
Ground
Not existed
(+)
—
Continuity
Fuse block (J/B)
Accessory relay (Downstream side of relay excitation coil cir-
cuit)
Ground
Existed
(+)
—
Voltage
Fuse block (J/B)
Accessory relay (Upstream side of relay contact circuit)
Ground
Battery voltage
PCS-108
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
ACCESSORY RELAY
NO
>> Repair or replace harness.
5.
CHECK ACCESSORY RELAY
Check accessory relay. Refer to
PCS-108, "Component Inspection"
Is the inspection normal?
YES
>> INSPECTION END.
NO
>> Replace accessory relay.
Component Inspection
INFOID:0000000010741754
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
PCS
POWER SUPPLY AND GROUND CIRCUIT
PCS-109
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010741755
1.
CHECK FUNCTION
1.
Turn ignition switch OFF.
2.
Disconnect audio unit or NAVI control unit connector.
3.
Turn ignition switch ON.
4.
Select "INTELLIGENT KEY" of "BCM" using CONSULT.
5.
Select "AUTO ACC 2" in "ACTIVE TEST" mode.
6.
Check continuity between audio unit or NAVI control unit harness connector and ground.
Without NAVI models
With NAVI models
Is the inspection normal?
YES
>> Refer to
GI-44, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK BCM OUTPUT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and audio unit or NAVI control unit connector.
Without NAVI models
With NAVI models
4.
Check continuity between BCM harness connector and ground.
Is the inspection normal?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> Repair or replace harness.
(+)
(–)
Voltage
(Approx.)
Audio unit
Connector
Terminal
M47
45
Ground
3.15 V
(+)
(–)
Voltage
(Approx.)
NAVI control unit
Connector
Terminal
M27
7
Ground
3.15 V
BCM
Audio unit
Continuity
Connector
Terminal
Connector
Terminal
M86
106
M47
45
Existed
BCM
NAVI control unit
Continuity
Connector
Terminal
Connector
Terminal
M86
106
M27
7
Existed
BCM
—
Continuity
Connector
Terminal
M86
106
Ground
Not existed
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