Nissan Murano: Steering System :: System Description / Component Parts. Heated Steering Wheel System
Component Parts Location

| A. |
Left of the steering column |
| No. | Component | Function |
| 1. |
Heated steering wheel |
Refer to Heated Steering Wheel. |
| 2. |
A/C auto amp. |
Refer to A/C Auto Amp.. |
| 3. |
Heated steering wheel relay |
Refer to Heated Steering Wheel Relay. |
| 4. |
Heated steering wheel switch |
Steering heater function ON/OFF. |
Heated Steering Wheel
With the power supply from the heated steering wheel relay, the heated steering wheel controls temperature through the heating element
and thermostat
built into the steering wheel.

-
Heating element: Generates heat by energization.
NOTE:
Heating element is located at the back of the steering wheel leather surface.
-
Thermostat: Turns ON/OFF power supply according to the specified temperature.
Heated Steering Wheel Relay

Through the control of the A/C auto amp., the heated steering wheel relay turns ON/OFF electricity to the heating element built into the steering wheel. For location, refer to Component Parts Location.
A/C Auto Amp.

-
A/C auto amp. turns ON/OFF the heated steering wheel relay according to a signal transmitted from display control unit via CAN communication.
-
The A/C auto amp. includes a timer. The heated steering wheel relay is turned OFF when the timer operating time reaches 30 minutes.
-
For other information about the A/C auto amp., refer to A/C Auto Amp..
System Description
SYSTEM DIAGRAMINPUT/OUTPUT SIGNAL CHART Switch Input signal to A/C auto amp. A/C auto amp. function Actuator
Heated steering wheel switch
Switch ground signal
Heated steering wheel control
Heated steering wheel
System DescriptionThe heated steering wheel switch controls the heated steering wheel relay through the A/C auto amp...
Other information:
Information
“CAN” of LAN Section describes information peculiar to a vehicle and inspection procedures.
For trouble diagnosis procedure, refer to Trouble Diagnosis Flow Chart of “CAN FUNDAMENTAL”.
Abbreviation List
Unit name abbreviations in CONSULT CAN diagnosis and in this section are as per the following list...
Symptom Table
Before performing diagnosis, check that it is not a symptom caused by normal operation. Refer to System Description. Symptom Confirmation item Inspection item/Reference page
AEB system display does not illuminate
All of system display does not illuminate
System settings cannot be turned ON/OFF
Refer to Diagnosis Procedure
Other information display is not illuminated
Combination meter
Refer to DTC Index
AEB warning lamp does not illuminate
All of system display does not illuminate
System settings cannot be turned ON/OFF
Refer to Diagnosis Procedure
Other information display is not illuminated
Combination meter
Refer to DTC Index
AEB warning buzzer is not sounding (Warning display is functioning normally)
—
Chime does not sound...