Entering the Self-diagnostic Function
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Push and hold the HEAT side of the driver's seat ventilation switch.
- Turn the combination light switch ( ) ON.
- Turn the ignition switch to ON (II).
- Within 2 to 5 seconds, turn the combination light switch OFF, then ( ) ON and OFF again.
- Release the HEAT side of the driver's seat ventilation switch, then press it again 3 times within 5 seconds.
- When the system enters self-diagnostic mode, all of the indicators turn on for 3 seconds.
- During self-diagnostic mode, the control unit blinks the driver's or front passenger's seat ventilation switch heat indicators in a specific pattern corresponding to the failure.
- An LED pattern will start to blink 2 seconds after all indicators turn off.
- The LED pattern will continue to blink every 2 seconds until self-diagnostic mode is off.
- If more than 1 failure exists, each pattern will be displayed according to its priority every 2 seconds. After all patterns are displayed, the cycle will be repeated until self-diagnostic mode is off.
- The DTC will be displayed on either the driver's seat ventilation switch or front passenger's seat ventilation switch, dependent upon where the failure has occurred.
INDICATOR BLINK PATTERN
| Order of priority | 1 | 2 | 3 | 4 | 5 | ||
|---|---|---|---|---|---|---|---|
| Blinking pattern(1) | Seat heater HIGH indicator blinking | Seat heater LOW indicator blinking | Seat heater MIDDLE indicator and LOW indicator blinking | Seat heater HIGH indicator and MIDDLE indicator blinking | All the seat heater indicators blinking | ||
| Failure status | Thermistor open | Thermistor short |
|
Seat ventilation switch failure | Seat not heating | ||
|
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