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Clearing Codes

WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Interrupt power supply to cruise control ECU memory by removing the ECU-B fuse in engine compartment fuse/relay block.
  2. Wait at least 10 seconds. Install fuse. To ensure codes have cleared, retrieve codes. If normal code is displayed, codes have cleared.
Fig 1: Identifying Terminals Of Data Link Connector (DLC) No. 2
G93F01709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC TROUBLE CODE (DTC) DEFINITION

Code Definition
11  Actuator Motor Circuit
12  Actuator Magnetic Clutch Circuit
13  Actuator Motor Circuit
14  Actuator Mechanical Malfunction
15  Actuator Motor Circuit
21  Vehicle Speed Sensor Circuit
23  Vehicle Speed Sensor Circuit
32  Control Switch Circuit
34 Control Switch Circuit
41  Cruise Control ECU
42 Source Voltage Drop
51  Idle Signal Circuit