Test 7: Ignition Switch Circuit

When the ignition switch is turned to the ACC position, battery voltage is applied to the terminals ACC and IG or the ECU. When the battery voltage is applied to the terminal ACC of the ECU While the theft deterrent system is activated, the warning stops. Furthermore, power supplied from the terminals ACC and IG of the ECU is used as power for the door open detection switch.

Fig 1: Test 7: Ignition Switch Circuit Test (1 Of 2)

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Fig 2: Test 7: Ignition Switch Circuit Test (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002