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Automatic Transmission Shift Lock System: Inspection

Inspect Shift Lock Control Unit Assembly 

Using a voltmeter, measure the voltage at each terminal.

Fig 1: Inspecting Shift Lock Control Unit Terminals
G02902528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE: Do not disconnect the shift lock control unit assembly connector.
SHIFT LOCK CONTROL UNIT ASSEMBLY

Terminal Measuring Condition Voltage (V)
5 - 1 (IG - E) Ignition Switch ON 10 - 14
3 - 1 (STP - E) Depressing Brake Pedal 10 - 14