Disconnect the throttle sensor lead connector.
Connect the adapter [A] between the connectors [B].
Special Tool - Throttle Sensor Setting Adapter: 57001-1408
Set the Hand Tester [E] to the x 10 V DC range, and connect it to the adapter as follows.
- Hand Tester (+) Terminal → BL Lead [C]
- Hand Tester (-) Terminal → BK/BL Lead [D]
Special Tool - Hand Tester: 57001-1394
Turn the ignition switch on, and read the voltage.
Throttle Sensor Voltage: approx. 5 V
If the voltage is out of specified one extremely, check the Battery Voltage. If the Battery Voltage is correct, replace the IC igniter.