With Analog Voltmeter

NOTE: Memory to radio, phone, and other programmable accessories may be erased when the battery is disconnected.

1. Verify code(s) were received in Key ON Engine Off (KOEO) self test.
2. Disconnect negative battery cable and depress brake pedal for 10 seconds to erase codes in memory.

3. Rerun Key ON Engine Off (KOEO) self test, QT5-QT6 - Key On Engine Off Test/Erase and Retest

IF NO SERVICE CODES AND ENGINE STARTS, QT7 - Key On Engine Running Test

IF ONE OR MORE SERVICE CODES, Testing and Inspection

NOTE: If codes received in Key ON Engine Off (KOEO) self test from the first time cannot be duplicated it may be necessary to tap suspected sensors, shake and wiggle component harness, or drive the vehicle in order to induce a failure.