Inspection Procedure

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

Check that DTC 42 is not output.
1. NG: Check the RDA line.
2. OK: Go to next step.
Check wire harness
PREPARATION:

Disconnect connectors of wireless door lock tuner and of body ECU.

CHECK:

Check continuity between terminals RCO of wireless door lock tuner and RCO of body ECU.

OK:

Continuity
1. NG: Repair or replace wire harness .
2. OK: Go to next step.
Check the wireless door lock tuner.
CHECK:

Replace the wireless door lock tuner and check if it recovers normally.

OK:

Must be recovered normally.
1. NG: Proceed to next circuit inspection shown on problem symptoms table. . See PROBLEM SYMPTOMS TABLE .
2. NG: Go to next step.
Failure of the original wireless door lock tuner.