Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC 11 | ROOM TEMPERATURE SENSOR CIRCUIT |
| DTC 12 | AMBIENT TEMPERATURE SENSOR CIRCUIT |
| DTC 13 | EVAPORATOR TEMPERATURE SENSOR CIRCUIT |
| DTC 14 | ENGINE COOLANT TEMPERATURE COMMUNICATION CIRCUIT |
| DTC 21 | SOLAR SENSOR CIRCUIT (PASSENGER SIDE) |
| DTC 22 | COMPRESSOR LOCK SENSOR CIRCUIT |
| DTC 23 | PRESSURE SWITCH CIRCUIT |
| DTC 24 | SOLAR SENSOR CIRCUIT (DRIVER SIDE) |
| DTC 31 | AIR MIX DAMPER POSITION SENSOR CIRCUIT (PASSENGER SIDE) |
| DTC 32 | AIR INLET DAMPER POSITION SENSOR CIRCUIT |
| DTC 33 | AIR OUTLET DAMPER POSITION SENSOR CIRCUIT |
| DTC 36 | AIR MIX DAMPER POSITION SENSOR CIRCUIT (DRIVER SIDE) |
| DTC 41 | AIR MIX DAMPER CONTROL SERVOMOTOR CIRCUIT (PASSENGER SIDE) |
| DTC 42 | AIR INLET DAMPER CONTROL SERVOMOTOR CIRCUIT |
| DTC 43 | AIR OUTLET DAMPER CONTROL SERVOMOTOR CIRCUIT |
| DTC 46 | AIR MIX DAMPER CONTROL SERVOMOTOR CIRCUIT (DRIVER SIDE) |
If malfunction code is displayed during the DTC check (sensor check), check the circuit listed for that code in the table below (Proceed to the step given for that circuit).
HINT:
- *1: If the room temp, is approx. -18.6 °C (-3.7 °F) or lower, trouble code 11 may be output even though the system is normal.
- *2: If the ambient temp, is approx. -52.9 °C (-61.4 °F) or lower, a malfunction code may be output even though the system is normal.
- *3: If the check is performed in a dark place, DTC 21, 24 (solar sensor circuit) could be displayed.
- *4: Compressor lock (DTC 22) is indicated only for a existing malfunction (See DTC 22 COMPRESSOR LOCK SENSOR CIRCUIT
). To confirm DTC 22, perform the following steps.
- With the engine ON, enter the DTC check mode.
- Press the R/F switch to enter actuator check mode, and set the operation to Step No. 3.
- Press the AUTO switch to return to DTC check mode.
- The DTC is displayed after approx. 3 sec.
- *5: The A/C amplifier memorizes the DTC of the respective malfunction which occurred within the period of the time indicated in the brackets.
- *6: Even though the system is in good condition, DTC is output when the seat sensor temperature senses below -40 °C (-104 °F) and over 99 °C (210.2 °F).
- *7: DTC 24, 36 and 46 are indicated only for limited grade (right/left independent temperature control system).