Nissan Murano. Manual — part 1331
ST-18
< DTC/CIRCUIT DIAGNOSIS >
[WITH HEATED STEERING WHEEL]
HEATED STEERING WHEEL SYSTEM
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace damaged parts.
9.
CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND HEATED STEERING WHEEL SWITCH
1.
Check continuity between fuse block (J/B) connector terminal and heated steering wheel switch harness
connector terminal.
2.
Check continuity between fuse block (J/B) harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace damaged parts.
10.
CHECK POWER SUPPLY (IGNITION)
Check the following.
• Ignition switch
• Harness for short or open between ignition switch and fuse block (J/B). Refer to
• 10A fuse [No.3, located in the fuse block (J/B)]. Refer to
PG-91, "Fuse, Connector and Terminal Arrange-
.
• Fuse block (J/B)
Is the inspection result normal?
YES
>> Replace heated steering wheel switch. Refer to
ST-66, "Removal and Installation"
.
NO
>> Repair or replace damaged parts.
Component Inspection (Heated Steering Wheel)
INFOID:0000000009721467
1.
CHECK HEATED STEERING WHEEL CONTINUITY
Check continuity between heated steering wheel connector terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace heated steering wheel. Refer to
ST-36, "Removal and Installation"
.
2.
CHECK HEATED STEERING WHEEL RESISTANCE
Check resistance between heated steering wheel connector terminals.
Heated steering wheel relay
Ground
Continuity
Connector
Terminal
M27
2
Not existed
Fuse block (J/B)
Heated steering wheel switch
Continuity
Connector
Terminal
Connector
Terminal
M1
2A
M28
1
Existed
Fuse block (J/B)
Ground
Continuity
Connector
Terminal
M1
2A
Not existed
Heated steering wheel
Condition
Continuity
Terminal
1
−
2
Leather surface temperature of
20
°
C (68
°
F) or less
Existed
Leather surface temperature of
30
°
C (86
°
) or more
Not existed
HEATED STEERING WHEEL SYSTEM
ST-19
< DTC/CIRCUIT DIAGNOSIS >
[WITH HEATED STEERING WHEEL]
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. Refer to
ST-36, "Removal and Installation"
.
Component Inspection (Heated Steering Wheel Relay)
INFOID:0000000009721468
1.
CHECK HEATED STEERING WHEEL RELAY CONTINUITY
Check continuity between heated steering wheel relay terminals.
CAUTION:
Connect the fuse between the terminals when applying the voltage.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace heated steering wheel relay. Refer to
ST-9, "Component Parts Location (Heated Steering
Heated steering wheel
Condition
Resistance (Approx.)
Terminal
1
−
2
Leather surface temperature of
20
°
C (68
°
F)
1.83
Ω
Heated steering wheel relay
Condition
Continuity
Terminal
3
−
5
6
−
7
Apply 12 V direct current be-
tween terminals 1 and 2.
Existed
Other conditions.
Not existed
ST-20
< DTC/CIRCUIT DIAGNOSIS >
[WITH HEATED STEERING WHEEL]
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
Component Function Check
INFOID:0000000009721469
1.
CHECK HEATED STEERING WHEEL INDICATOR LAMP
1.
Turn ignition switch ON.
2.
Turn heated steering wheel switch ON.
Does heated steering wheel indicator lamp turn on the lamp?
YES
>> GO TO 2.
NO
>> Go to
2.
CHECK HEATED STEERING WHEEL INDICATOR LAMP
Turn heated steering wheel switch OFF.
Does heated steering wheel indicator lamp turn off the lamp?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000009721470
1.
CHECK POWER SOURCE AND GROUND CIRCUIT
1.
Turn ignition switch ON.
CAUTION:
Never start the engine.
2.
Turn heated steering wheel switch ON.
3.
Check voltage between heated steering wheel switch harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY (BATTERY)
Check the following.
• Battery
• Harness for short or open between battery and 15 A fuse (No.26).
• 15 A fuse (No.26).
• Harness for short or open between 15 A fuse (No.26) and heated steering wheel relay.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK GROUND CIRCUIT
Check continuity between heated steering wheel switch harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
Heated steering wheel
Condition
Voltage (Approx.)
Connector
Terminal
M28
5
−
6
Within 30 minutes after
turning ON the heated
steering switch.
Battery voltage
Other conditions.
0 V
Heated steering wheel switch
Ground
Continuity
Connector
Terminal
M28
6
Existed
HEATED STEERING WHEEL SWITCH INDICATOR LAMP
ST-21
< DTC/CIRCUIT DIAGNOSIS >
[WITH HEATED STEERING WHEEL]
C
D
E
F
H
I
J
K
L
M
A
B
ST
N
O
P
4.
CHECK HARNESS BETWEEN HEATED STEERING WHEEL RELAY AND HEATED STEERING WHEEL
SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect heated steering wheel relay connector. Refer to
ST-9, "Component Parts Location (Heated
.
3.
Disconnect heated steering wheel switch connector. Refer to
ST-66, "Removal and Installation"
.
4.
Check continuity between heated steering wheel relay harness connector terminal and heated steering
wheel switch harness connector terminal.
5.
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 damaged parts.
5.
CHECK HEATED STEERING WHEEL RELAY
Check heated steering wheel relay. Refer to
ST-22, "Component Inspection (Heated Steering Wheel Relay)"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace heated steering wheel relay. Refer to
ST-9, "Component Parts Location (Heated Steering
6.
CHECK HARNESS BETWEEN HEATED STEERING WHEEL RELAY AND HEATED STEERING WHEEL
SWITCH
1.
Check continuity between heated steering wheel relay harness connector terminal and heated steering
wheel switch harness connector terminal.
2.
Check continuity between heated steering wheel relay harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace damaged parts.
7.
CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND HEATED STEERING WHEEL SWITCH
1.
Check continuity between fuse block (J/B) connector terminal and heated steering wheel switch harness
connector terminal.
Heated steering wheel relay
Heated steering wheel switch
Continuity
Connector
Terminal
Connector
Terminal
M27
5
M28
5
Existed
7
Heated steering wheel relay
Ground
Continuity
Connector
Terminal
M27
5
Not existed
7
Heated steering wheel relay
Heated steering wheel switch
Continuity
Connector
Terminal
Connector
Terminal
M27
2
M28
2
Existed
Heated steering wheel relay
Ground
Continuity
Connector
Terminal
M27
2
Not existed
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