13A Checking For No Code 88 (5 Volt Supply)

1. Turn ignition switch to Off position.

Red Logic Module Connector:

2. Connect a digital voltmeter between red logic module connector cavity 1 and ground, then turn ignition switch to Run position.
3. If voltmeter reads at least 4.5 volts, proceed to Test 13 step B.
4. If voltmeter reads zero volts, proceed to Test 13 step E.