Nissan Cube. Manual — part 714
PCS
B2615 BLOWER RELAY CIRCUIT
PCS-81
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
4.
Check continuity between blower relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
3.
CHECK BLOWER RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between blower relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair blower relay ground circuit.
4.
CHECK BLOWER RELAY POWER SUPPLY CIRCUIT-2
1.
Turn ignition switch ON or ACC.
2.
Check voltage between blower relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Check continuity open or short between blower relay and battery.
5.
CHECK BLOWER RELAY
PCS-81, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace blower relay.
6.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009945057
1.
CHECK BLOWER RELAY
1.
Turn ignition switch OFF.
2.
Remove blower relay.
Blower relay
BCM
Continuity
Terminal
Connector
Terminal
1
M71
106
Existed
Blower relay
Ground
Continuity
Terminal
1
Not existed
Blower relay
Ground
Continuity
Terminal
2
Existed
(+)
(–)
Voltage (V)
(Approx.)
Blower relay
Terminal
5
Ground
Battery voltage
PCS-82
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2615 BLOWER RELAY CIRCUIT
3.
Check the continuity between blower relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace blower relay
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
PCS
B2616 IGNITION RELAY CIRCUIT
PCS-83
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2616 IGNITION RELAY CIRCUIT
Description
INFOID:0000000009945058
BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned
ON.
• Ignition relay
• Ignition relay (inside IPDM E/R)
• Blower relay
BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.
DTC Logic
INFOID:0000000009945059
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for 1 second or more.
-
Selector lever is in the P 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:0000000009945060
1.
CHECK IGNITION RELAY POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect ignition relay.
3.
Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between ignition relay harness connector and BCM harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2616
BCM
An immediate operation of ignition relay is request-
ed by BCM, but there is no response for more than
1 second
• Harness or connectors
(Ignition relay circuit is open or
shorted)
• BCM
• Ignition relay
(+)
(–)
Condition
Voltage (V)
(Approx.)
Ignition relay
Terminal
2
Ground
Ignition switch
OFF or ACC
0
ON
Battery voltage
PCS-84
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
4.
Check continuity between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-88, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK IGNITION RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair ignition relay ground circuit.
4.
CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2
1.
Turn ignition switch ON.
2.
Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Check continuity open or short between ignition relay and battery.
5.
CHECK IGNITION RELAY
PCS-84, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace ignition relay.
6.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009945061
1.
CHECK IGNITION RELAY
1.
Turn ignition switch OFF.
2.
Remove ignition relay.
Ignition relay
BCM
Continuity
Terminal
Connector
Terminal
2
M71
99
Existed
Ignition relay
Ground
Continuity
Terminal
2
Not existed
Ignition relay
Ground
Continuity
Terminal
1
Existed
(+)
(–)
Voltage (V)
(Approx.)
Ignition relay
Terminal
5
Ground
Battery voltage
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