Nissan Pathfinder. Manual — part 1114
HEATED STEERING WHEEL SYSTEM
ST-35
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
H
I
J
K
L
M
A
B
ST
N
O
P
4. Check continuity between heated steering wheel relay harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connector.
5.
CHECK HEATED STEERING RELAY
Check heated steering relay. Refer to
ST-36, "Component Inspection (Heated Steering Relay)"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace heated steering relay.
6.
CHECK POWER TO HEATED STEERING RELAY
Check the following.
• Battery
• Harness for open or short between battery and 10A fuse (No. 74)
• 10A fuse (No. 74)
• Harness for open or short between 10A fuse (No. 74) and heated steering relay
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace damaged parts.
7.
CHECK GROUND CIRCUIT
1. Disconnect heated steering wheel switch.
2. Check continuity between heated steering wheel switch harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
8.
CHECK HARNESS BETWEEN HEATED STEERING RELAY AND A/C AUTO AMP.
1. Disconnect A/C auto amp.
2. Check continuity between heated steering wheel relay harness connector terminal and A/C auto amp.
harness connector terminal.
3. Check continuity between heated steering relay harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace harness or connector.
9.
CHECK HARNESS BETWEEN A/C AUTO AMP. AND HEATED STEERING WHEEL SWITCH
1. Check continuity between A/C auto amp. harness connector terminal and heated steering wheel switch
harness connector terminal.
Heated steering wheel relay
Ground
Continuity
Connector
Terminal
M90
5
No
Connector
Terminal
Ground
Continuity
M48
2
Yes
Heated steering relay
A/C Auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M90
2
M50
20
Yes
Heated steering relay
Ground
Continuity
Connector
Terminal
M90
2
No
ST-36
< DTC/CIRCUIT DIAGNOSIS >
HEATED STEERING WHEEL SYSTEM
2. Check continuity between A/C auto amp. harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace harness or connector.
10.
CHECK HEATED STEERING WHEEL SWITCH
Check heated steering wheel switch. Refer to
ST-36, "Component Inspection (Heated Steering Wheel
.
Is the inspection result normal?
YES
>> Replace A/C Auto amp. Refer to
HAC-157, "Removal and Installation"
.
NO
>> Replace heated steering wheel switch. Refer to
IP-25, "Removal and Installation"
Component Inspection (Heated Steering Wheel Switch)
INFOID:0000000009177092
1.
CHECK HEATED STEERING WHEEL SWITCH
1. Turn ignition switch OFF.
2. Remove the heated steering wheel switch. Refer to
IP-25, "Removal and Installation"
3. Check continuity between heated steering wheel switch terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace heated steering wheel switch.
2.
CHECK HEATED STEERING WHEEL SWITCH INDICATOR LAMP
Apply 12V direct current between heated steering wheel switch terminals and check that the indicator lamp
turns ON.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace heated steering wheel switch.
Component Inspection (Heated Steering Relay)
INFOID:0000000009177093
1.
CHECK HEATED STEERING RELAY CONTINUITY
1. Turn ignition switch OFF.
2. Remove heated steering relay. Refer to
ST-7, "HEATED STEERING WHEEL SYSTEM : Component
3. Apply 12V direct current between heated steering relay terminals and check continuity.
A/C Auto amp.
Heated steering wheel switch
Continuity
Connector
Terminal
Connector
Terminal
M50
8
M48
1
Yes
A/C Auto amp.
Ground
Continuity
Connector
Terminal
M50
8
No
Terminal
Condition
Continuity
1
2
switch pressed
Yes
switch released
No
Terminals
Condition
Indicator lamp status
+
–
5
6
Apply 12V direct current be-
tween terminals
ON
HEATED STEERING WHEEL SYSTEM
ST-37
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
H
I
J
K
L
M
A
B
ST
N
O
P
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace heated steering wheel relay.
Component Inspection (Heated Steering Wheel)
INFOID:0000000009177094
1.
CHECK HEATED STEERING WHEEL CONTINUITY
1. Turn ignition switch OFF.
2. Remove the steering wheel. Refer to
ST-44, "Removal and Installation"
3. Check continuity between steering wheel connector terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace heated steering wheel.
2.
CHECK HEATED STEERING WHEEL RESISTANCE
Check resistance between heated steering wheel connector terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace heated steering wheel.
Terminal
Condition
Continuity
3
− 5
12V direct current applied between termi-
nals 1 and 2.
Yes
No current applied.
No
Terminals
Condition
Continuity
1
− 2
Surface temperature of less than 30
°C
(86
°F)
Yes
Surface temperature of 30
°C (86°F) or
more
No
Terminals
Condition
Resistance
1
− 2
Surface temperature of 20
°C (68°F)
1.7 – 2.17
Ω
ST-38
< DTC/CIRCUIT DIAGNOSIS >
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
Component Function Check
INFOID:0000000009177095
1.
CHECK HEATED STEERING WHEEL SWITCH INDICATOR LAMP
1. Turn ignition switch ON.
2. Turn heated steering wheel switch ON. Observe indicator.
3. Turn heated steering wheel switch OFF. Observe indicator.
Does heated steering wheel switch indicator lamp turn ON and then OFF?
YES
>> Inspection End.
NO
>> Go to
Diagnosis Procedure
INFOID:0000000009177096
Regarding Wiring Diagram information, refer to
1.
CHECK POWER CIRCUIT
1. Turn ignition switch OFF.
2. Remove the heated steering wheel switch. Refer to
IP-25, "Removal and Installation"
3. Turn ignition switch ON.
4. Check voltage between heated steering wheel switch harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect heated steering wheel switch connector.
3. Check continuity between heated steering wheel switch harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK HARNESS BETWEEN HEATED STEERING RELAY AND HEATED STEERING WHEEL SWITCH
1. Disconnect heated steering relay connector.
2. Check continuity between heated steering relay harness connector terminal and heated steering wheel
switch harness connector terminal.
3. Check continuity between heated steering relay harness connector terminal and ground.
Connector
Terminal
Voltage (Approx.)
+
-
M48
1
2
Battery voltage
Connector
Terminal
Ground
Continuity
M48
6
Yes
Heated steering relay
Heated steering wheel switch
Continuity
Connector
Terminal
Connector
Terminal
M90
5
M48
5
Yes
Connector
Terminal
Ground
Continuity
M90
5
No
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст