A055

Diagnostic Chart:

Wiring Diagram:

CIRCUIT DESCRIPTION
This DTC identifies a malfunction detected by the MDI custom IC. It also insures the cause of the malfunction is not a result of a problem with the enable relay under a DTC A055 malfunction.

ACTION TAKEN
A malfunction DTC is stored, ABS is disabled and the ABS indicator lamp is turned "ON.

TEST DESCRIPTION
Number(s) below refer to circled number(s) on the diagnostic chart.
1. This checks to see if the malfunction is still present.
2. This step checks to see if the malfunction is intermittent.

DIAGNOSTIC AIDS
An "Intermittent" malfunction may be caused by a poor connection, rubbed through wire insulation, or a wire that is broken inside the insulation.

The frequency of the malfunction can be checked by using the enhanced diagnostic function of the Tech 1.

Any circuitry, that is suspected as causing the intermittent complaint, should be thoroughly checked for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, poor terminal to wiring connections or physical damage to the wiring harness.