Infiniti QX56 (Z62). Manual — part 1132
SE-66
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000006217388
DETAILED FLOW
1.
OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.
>> GO TO 2.
2.
REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 3.
3.
IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection result in step 2 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.
>> GO TO 4.
4.
IDENTIFY THE MALFUNCTIONING PARTS WITH “COMPONENT DIAGNOSIS”
Perform the diagnosis with “Component diagnosis” of the applicable system.
>> GO TO 5.
5.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 6.
6.
FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 2.
Are the malfunctions corrected?
YES
>> INSPECTION END
NO
>> GO TO 3.
POWER SUPPLY AND GROUND CIRCUIT
SE-67
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
CLIMATE CONTROLLED SEAT CONTROL UNIT
CLIMATE CONTROLLED SEAT CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006217389
Driver side
1.
CHECK FUSE
Check that the following fuses are not fusing.
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (DRIVER SIDE) POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit (driver side) connector.
3.
Turn ignition switch ON.
4.
Check voltage between climate controlled seat control unit (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 3.
3.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (DRIVER SIDE) POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat relay.
3.
Check continuity between climate controlled seat control unit (driver side) harness connector and climate
controlled seat relay harness connector.
4.
Check continuity between climate controlled seat control unit (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
Signal name
Fuse No.
Battery power supply
82(15A)
IGN power supply
3 (10A)
(+)
(
−
)
Voltage (V)
(Approx.)
Climate controlled seat control unit (driver side)
Connector
Terminal
B508
53
Ground
Battery voltage
B509
74
Climate controlled seat control unit (driver side)
Climate controlled seat relay
Continuity
Connector
Terminal
Connector
Terminal
B508
53
E18
6
Existed
B509
74
Climate controlled seat control unit (driver side)
Ground
Continuity
Connector
Terminal
B508
53
Not existed
B509
74
SE-68
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
4.
CHECK CILMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connector.
5.
CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between climate controlled seat relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK CLIMATE CONTROLLED SEAT RELAY
Check climate controlled seat relay.
Refer to
SE-70, "CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace climate controlled seat relay.
7.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (DRIVER SIDE) GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between climate control unit (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
8.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Passenger side
1.
CHECK FUSE
Check that the following fuses are not fusing.
(+)
(
−
)
Voltage (V)
(Approx.)
Climate controled seat relay
Connector
Terminal
E18
2
Ground
Battery voltage
7
Climate controlled seat relay
Ground
Continuity
Connector
Terminal
E18
1
Existed
Climate controlled seat control unit (driver side)
Ground
Continuity
Connector
Terminal
B509
43
Existed
POWER SUPPLY AND GROUND CIRCUIT
SE-69
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit (passenger side) connector.
3.
Turn ignition switch ON.
4.
Check voltage between climate controlled seat control unit (passenger side) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 3.
3.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) POWER SUPPLY CIR-
CUIT
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat relay.
3.
Check continuity between climate controlled seat control unit (passenger side) harness connector and cli-
mate controlled seat relay harness connector.
4.
Check continuity between climate controlled seat control unit (passenger side) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK CILMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check voltage between climate controlled seat relay harness connector and ground.
Signal name
Fuse No.
Battery power supply
81 (15A)
IGN power supply
3 (10A)
(+)
(
−
)
Voltage (V)
(Approx.)
Climate controlled seat control unit (passenger side)
Connector
Terminal
B518
53
Ground
Battery voltage
B519
74
Climate controlled seat control unit (passenger side)
Climate controlled seat relay
Continuity
Connector
Terminal
Connector
Terminal
B518
53
E18
3
Existed
B519
74
Climate controlled seat control unit (passenger side)
Ground
Continuity
Connector
Terminal
B518
53
Not existed
B519
74
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст