Infiniti G35 (V35) Sedan. Manual — part 1000
PCS-54
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2614 ACC RELAY CIRCUIT
B2614 ACC RELAY CIRCUIT
Description
INFOID:0000000000964223
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
INFOID:0000000000964224
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the power supply position to ACC under the following conditions, and wait for at least 1 second.
-
A/T selector lever is in the P or N position.
-
Release the brake pedal.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000964225
1.
CHECK ACCESSORY RELAY POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect accessory relay.
3.
Check voltage between blower relay harness connector and ground under the following conditions.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM harness connector M122.
3.
Check continuity between accessory relay harness connector and BCM harness connector.
4.
Check continuity between accessory relay harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2614
ACC relay circuit
An immediate operation of ACC relay is requested
by BCM, but there is no response for more than 1
second.
• Harness or connectors
(ACC relay circuit is open or short-
ed)
• ACC relay
Blower relay
Ground
Condition
Voltage (V)
Terminal
1
Ground
Ignition
OFF
0
ACC
Battery voltage
Accessory relay
BCM
Continuity
Terminal
Connector
Terminal
1
M122
122
Existed
PCS
B2614 ACC RELAY CIRCUIT
PCS-55
< COMPONENT 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 6.
NO
>> Repair harness or connector.
3.
CHECK ACCESSORY RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between accessory relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair accessory relay ground circuit.
4.
CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-2
Check voltage between accessory relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Check continuity open or short between accessory relay and battery.
5.
CHECK ACCESSORY RELAY
PCS-55, "Component Inspection (Accessory Relay)"
.
YES or NO
YES
>> GO TO 6.
NO
>> Replace accessory relay.
6.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection (Accessory Relay)
INFOID:0000000000964226
1.
CHECK ACCESSORY RELAY
1.
Turn ignition switch OFF.
2.
Remove accessory relay.
Accessory relay
Ground
Continuity
Terminal
1
Ground
Not existed
Accessory relay
Ground
Continuity
Terminal
2
Ground
Existed
Accessory relay
Ground
Voltage (V)
Terminal
5
Ground
Battery voltage
PCS-56
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2614 ACC RELAY CIRCUIT
3.
Check the continuity between accessory relay terminals under
the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accessory relay
Terminals
Condition
Continuity
3 and 5
12V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PBIB0098E
PCS
B2615 BLOWER RELAY CIRCUIT
PCS-57
< COMPONENT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2615 BLOWER RELAY CIRCUIT
Description
INFOID:0000000000964227
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC Logic
INFOID:0000000000964228
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions, and wait for at least 1 second.
-
A/T selector lever is in the P or N position.
-
Release brake pedal.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000964229
1.
CHECK BLOWER RELAY POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect blower relay.
3.
Check voltage between blower relay harness connector and ground under the following conditions.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK BLOWER RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM harness connector M122.
3.
Check continuity between blower relay harness connector and BCM harness connector.
4.
Check continuity between blower relay harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2615
Blower relay circuit
BCM detects a difference of signal for 1 second or
more between the following information.
• Blower relay ON/OFF request
• Blower relay feedback
• Harness or connectors
(Blower relay circuit is open or
shorted)
• Blower relay
Blower relay
Ground
Condition
Voltage (V)
Terminal
1
Ground
OFF or ACC
0
ON
Battery voltage
Blower relay
BCM
Continuity
Terminal
Connector
Terminal
1
M122
102
Existed
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