DR-29A Checking Switch Inputs to Logic Module

1. Connect diagnostic read-out tool to engine test connector.
2. Place system in Switch Test Mode.
3. Check switch inputs by pressing down on brake pedal, moving gear selector from park to reverse (auto. trans.) or turning A/C on.
4. If display on read-out tool changes as one or more of switches are activated, proceed to Test 30.
5. If display on read-out tool does not change as one or more of switches are activated, proceed as follows:
Brake switch, proceed to Test 29 Step B;
Park/Neutral switch, proceed to Test 29 step C;
A/C button, proceed to Test 29 step D.