Power Circuit Checks
- Using a voltmeter, connect voltmeter leads between ECU connector pin No. 35 and ground.
- Turn ignition switch to the "ON" position. Voltmeter should read 12 volts. Also, crank engine and check that 12 volts exists when engine is being cranked.
- Using a voltmeter, connect voltmeter leads between ground and ECU connector pin No. 18.
- Turn ignition switch to the "ON" position. Voltmeter should read 12 volts (battery voltage). Also, crank engine and check that 12 volts exists when engine is being cranked.