Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2002 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

If malfunction code is displayed during the DTC check (sensor check), check the circuit listed for that code in the table below.

Fig 1: Checking Malfunction Codes During DTC Check

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 being performed in a dark place, DTC 21 (solar sensor circuit abnormal) could be displayed.
The A/C control assembly memorizes the DTC of the respective malfunction it has occurred for the period of the time indicated in the brackets.