Infiniti G37 Coupe. Manual — part 1105
SE-88
< COMPONENT DIAGNOSIS >
RECLINING RELAY
RECLINING RELAY
FORWARD
FORWARD : Diagnosis Procedure
INFOID:0000000001827822
1.
CHECK RECLINING RELAY (FORWARD) POWER SUPPLY
Check voltage between reclining relay (forward) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK RECLINING RELAY (FORWARD) POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch connector and reclining relay.
3.
Check continuity between power seat switch harness connector and reclining relay (forward) harness
connector.
4.
Check continuity between power seat switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness or connector.
3.
CHECK RECLINING RELAY (FORWARD) CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect reclining relay and diode 1 connector.
3.
Check continuity between reclining relay (forward) harness connector and diode 1 harness connector.
Reclining relay (forward)
Ground
Condition
Voltage (V)
(Approx.)
Connector
Terminal
B517
(driver side)
27
Ground
Reclining switch
(driver side)
Operate (forward)
Battery
96
Release
0
B562
(passenger side)
27
Reclining switch
(passenger side)
Operate (forward)
Battery
96
Release
0
Power seat switch
Reclining relay (forward)
Continuity
Connector
Terminal
Connector
Terminal
B511
(driver side)
27
B517
(driver side)
27
Existed
96
B554
(passenger side)
B562
(passenger side)
27
Existed
96
Power seat switch
Ground
Continuity
Connector
Terminal
B511
(driver side)
27
Ground
Not existed
B554
(passenger side)
Not existed
RECLINING RELAY
SE-89
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
4.
Check continuity reclining relay (forward) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK DIODE 1
SE-90, "FORWARD : Component Inspection (Diode 1)"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace diode 1. (Built in seat back frame.)
5.
FORWARD SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect forward switch.
3.
Check continuity between forward switch harness connector and diode 1 harness connector.
4.
Check continuity between forward harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connector.
6.
CHECK RECLINING RELAY (FORWARD)
SE-90, "FORWARD : Component Inspection (Reclining Relay)"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace reclining relay.
Reclining relay (forward)
Diode 1
Continuity
Connector
Terminal
Connector
Terminal
B517
(driver side)
18
B521
(driver side)
18
Existed
B562
(passenger side)
B564
(passenger side)
Existed
Reclining relay (forward)
Ground
Continuity
Connector
Terminal
B517
(driver side)
18
Ground
Not existed
B562
(passenger side)
Not existed
Forward switch
Diode 1
Continuity
Connector
Terminal
Connector
Terminal
B512
(driver side)
41
B521
(driver side)
41
Existed
B556
(passenger side)
B564
(passenger side)
Existed
Forward switch
Ground
Continuity
Connector
Terminal
B512
(driver side)
41
Ground
Not existed
B556
(passenger side)
Not existed
SE-90
< COMPONENT DIAGNOSIS >
RECLINING RELAY
7.
CHECK INTERMITTENTE INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
FORWARD : Component Inspection (Reclining Relay)
INFOID:0000000001827823
1.
CHECK RECLINING RELAY
1.
Turn ignition switch OFF.
2.
Remove reclining relay (forward).
3.
Check the continuity between reclining relay (forward) terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace reclining relay (forward)
FORWARD : Component Inspection (Diode 1)
INFOID:0000000001832347
1.
CHECK DIODE 1
1.
Turn ignition switch OFF.
2.
Remove diode 1.
3.
Check the continuity between diode 1 terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace diode 1.
BACKWARD
BACKWARD : Diagnosis Procedure
INFOID:0000000001837186
1.
CHECK RECLINING RELAY (BACKWARD) POWER SUPPLY
Check voltage between reclining relay (backward) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
Terminals
Condition
Continuity
27 and 71
12 V direct current supply between termi-
nals 18 and 96
Not existed
No current supply
Existed
Terminals
Continuity
(+)
(-)
18
41
Existed
41
18
Not existed
Reclining relay (backward)
Ground
Condition
Voltage (V)
(Approx.)
Connector
Terminal
B518
(driver side)
12
Ground
Reclining switch
(driver side)
Operate (back-
ward)
Battery
94
Release
0
B563
(passenger side)
12
Reclining switch
(passenger side)
Operate (back-
ward)
Battery
94
Release
0
RECLINING RELAY
SE-91
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
2.
CHECK RECLINING RELAY (BACKWARD) POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect power seat switch connector and reclining relay.
3.
Check continuity between power seat switch harness connector and reclining relay (backward) harness
connector.
4.
Check continuity between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace harness or connector.
3.
CHECK RECLINING RELAY (BACKWARD) CIRCUIT 1
1.
Turn ignition switch OFF.
2.
Disconnect reclining relay and diode 2 connector.
3.
Check continuity between reclining relay (backward) harness connector and diode 2 harness connector.
4.
Check continuity between reclining relay (backward) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK DIODE 2
SE-92, "BACKWARD : Component Inspection (Diode 2)"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace diode 2. (Built in seat back frame.)
Power seat switch
Reclining relay (backward)
Continuity
Connector
Terminal
Connector
Terminal
B511
(driver side)
12
B518
(driver side)
12
Existed
94
B554
(passenger side)
B563
(passenger side)
12
Existed
94
Power seat switch
Ground
Continuity
Connector
Terminal
B511
(driver side)
12
Ground
Not existed
B554
(passenger side)
Not existed
Reclining relay (backward)
Diode 2
Continuity
Connector
Terminal
Connector
Terminal
B518
(driver side)
6
B522
(driver side)
6
Existed
B563
(passenger side)
B565
(passenger side)
Existed
Reclining relay (backward)
Ground
Continuity
Connector
Terminal
B518
(driver side)
6
Ground
Not existed
B563
(passenger side)
Not existed
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