Nissan Sentra. Instruction — part 683
PCS
B2615 BLOWER RELAY CIRCUIT
PCS-85
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
3.
CHECK BLOWER MOTOR RELAY
Perform the relay component inspection. Refer to
PCS-85, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace blower motor relay.
4.
CHECK BLOWER RELAY POWER SUPPLY (BCM)
Check voltage between BCM connector M83 and ground.
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
Component Inspection
INFOID:0000000009755873
1.
CHECK BLOWER RELAY
1. Turn blower switch OFF.
2. Remove blower relay.
3. Check the continuity between blower relay terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace blower relay
BCM
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M83
65
—
Ignition: OFF
0V
Ignition: ON
Battery voltage
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Yes
No current supply
No
PBIB0098E
PCS-86
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
B2616 IGNITION RELAY CIRCUIT
DTC Logic
INFOID:0000000009755874
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
1. Turn ignition switch ON under the following conditions, and wait for at least 1 second.
-
CVT selector lever is in the P (park) or N (neutral) position.
-
Release brake pedal
2. Perform self diagnostic result.
Is DTC B2616 detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009755875
Regarding Wiring Diagram information, refer to
.
1.
CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M83.
3. Check continuity between ignition relay-2 connector J-3 and BCM connector M83.
4. Check continuity between ignition relay-2 connector J-3 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK IGNITION RELAY-2 GROUND CIRCUIT
1. Check continuity between ignition relay-2 connector J-3 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
CONSULT Display
DTC Detection Condition
Possible Cause
IGNITION RELAY CIRCUIT
[B2616]
An immediate operation of ignition relay-2 is re-
quested by BCM, but there is no response for more
than 1 second.
• Harness or connectors.
• Ignition relay-2.
• Fuse block J/B.
• BCM.
Ignition relay-2
BCM
Continuity
Connector
Terminal
Connector
Terminal
J-3
1
M83
72
Yes
Ignition relay-2
Ground
Continuity
Connector
Terminal
J-3
1
—
No
Ignition relay-2
Ground
Continuity
Connector
Terminal
J-3
2
—
Yes
PCS
B2616 IGNITION RELAY CIRCUIT
PCS-87
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
NO
>> Repair or replace harness or connectors.
3.
CHECK IGNITION RELAY-2
Perform the relay component inspection. Refer to
PCS-87, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace ignition relay-2.
4.
CHECK IGNITION RELAY-2 POWER SUPPLY (BCM)
Check voltage between BCM connector M83 and ground.
Is the inspection result normal?
YES
>> Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
Component Inspection
INFOID:0000000009755876
1.
CHECK IGNITION RELAY-2
1. Turn ignition switch OFF.
2. Remove ignition relay-2.
3. Check the continuity between ignition relay-2 terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace ignition relay-2.
BCM
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M83
72
—
Ignition: OFF
0V
Ignition: ON
Battery voltage
Terminals
Condition
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Yes
No current supply
No
PBIB0098E
PCS-88
< DTC/CIRCUIT DIAGNOSIS >
[POWER DISTRIBUTION SYSTEM]
B2618 BCM
B2618 BCM
DTC Logic
INFOID:0000000009755877
DTC DETECTION LOGIC
NOTE:
• If DTC B2618 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2618 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF DIAGNOSTIC RESULT
1. Turn ignition switch ON under the following conditions, and wait for at least 1 second.
-
CVT selector lever is in the P (park) or N (neutral) position.
-
Release brake pedal
2. Perform self diagnostic result.
Is DTC B2618 detected?
YES
>> Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009755878
Regarding Wiring Diagram information, refer to
.
1.
CHECK IGNITION RELAY-1 CONTROL SIGNAL
Check voltage between BCM connector M83 and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-73, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK IGNITION RELAY-1 CONTROL SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector M83 and IPDM E/R connector E39.
3. Check continuity between BCM connector M83 and IPDM E/R connector E39.
4. Check continuity between BCM connector M83 and ground.
CONSULT Display
DTC Detection Condition
Possible Cause
BCM
[B2618]
An immediate operation of ignition relay-1 is request-
ed by BCM, but there is no response for more than 1
second
• Harness or connectors
• BCM
• IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M83
73
Ground
Ignition switch
OFF or ACC
Battery voltage
ON
0
BCM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M83
73
E39
68
Yes
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