Section 548 (Power Door Lock Control System - Diagnostics): Pre-Check
WARNING: This page is about a different car, the 2004 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- USING HAND-HELD TESTER
- Hook up the hand-held tester to the DLC3.
- Monitor the ECU data by following the prompts on the tester screen.
HINT:
Hand-held tester has a "Snapshot" function which records the monitored data. Refer to the hand-held tester operator's manual for further details.
- DTC CLEAR
- The DTCs and freeze frame data will be erased by the hand-held tester to erase the codes.
- DATA LIST
HINT:
According to the DATA LIST displayed by the OBD II scan tool or hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
- Connect the OBD II scan tool or hand-held tester to the DLC3.
- Turn the ignition switch ON.
- According to the display on tester, read the "DATA LIST".
Standard (Body ECU):
STANDARD (BODY ECU)Item Measurement Item/Display (Range) Normal Condition KEY SW Key unlock warning SW signal/ON or OFF ON: Key is IG key cylinder OFF: Key is not in IG key cylinder