Overdrive Cancel Signal (Highlander & RX 300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Toyota RAV4, 2002 Toyota Highlander, 2002 Toyota Camry, 2002 Lexus RX 300, and 2001 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit reference, see CONNECTOR IDENTIFICATION and/or WIRING DIAGRAMS
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- Access ECM. See Figure-Figure . Turn ignition switch to ON position. Using a DVOM, measure voltage (backprobe) between terminal OD1 of appropriate ECM harness connector and ground. If 10-14 volts is present, substitute known-good ECM and retest. If voltage is not as specified, go to next step.
- Turn ignition off. Disconnect cruise control ECU harness connector located behind instrument panel on driver's side of vehicle. Turn ignition on. Measure voltage between terminal OD and ground. See Fig 1. If 10-14 volts is present, replace cruise control ECU and retest. If 10-14 volts is not present, check and repair circuit between cruise control ECU and ECM.