Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
If malfunction code is displayed during the DTC check, check the circuit listed for that code in the table below (Proceed to the section given for that circuit.)
To confirm DTC 22, preform 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.
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC 11 | Front Room Temperature Sensor Circuit |
| DTC 12 | Ambient Temperature Sensor Circuit |
| DTC 13 | Front Evaporator Temperature Sensor circuit |
| DTC 14 | Engine Coolant Temperature Sensor Circuit |
| DTC 17 | Rear Evaporator Temperature Sensor Circuit |
| DTC 19 | Rear Room Temperature Sensor Circuit |
| DTC 21 | Solar Sensor Circuit |
| DTC 22 | Compressor Lock Sensor Circuit |
| DTC 23 | Pressure Switch Circuit |
| DTC 31 | Front Air Mix Damper Position Sensor Circuit |
| DTC 32 | Air Inlet Damper Position Sensor Circuit |
| DTC 37 | Water Valve Damper Position Sensor Circuit |
| DTC 41 | Front Air Mix Damper Control Servomotor Circuit |
| DTC 42 | Air Inlet Damper Control Servomotor Circuit |
| DTC 47 | Water Valve Damper Control Servomotor Circuit |