Tests Performed As Part of (KOER) Self-Test

BRAKE ON/OFF TEST
This tests ability of the powertrain control system to detect a state of change in the stop light switch. The brake pedal MUST briefly be applied and released on all vehicles with brake on/off input. This test is done during the KOER self-test.

TRANSAXLE CONTROL SWITCH TEST
This tests ability of the powertrain control system to detect a state of change in the O/D OFF switch. The switch MUST briefly be cycle on all vehicles with a O/D OFF switch. This test is done during the KOER self-test.

POWER STEERING PRESSURE (PSP) SWITCH TEST
This tests the ability of the powertrain control system to detect a change in power steering fluid pressure. The steering wheel MUST briefly be turned at least 1/4 of a revolution. This test is done during the KOER self-test.