Pre-Test Instructions

WARNING: This page is about a different car, the 1992 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.

Run pinpoint tests only after completing VISUAL INSPECTION or being directed there through KEY ON ENGINE OFF TEST and CONTINUOUS MONITOR MODE TEST.

Each pinpoint test assumes a fault has been detected. Failure to comply with correct testing order can result in error.
Test results depend on proper operation of related parts. Correct any defects in this area before entering pinpoint tests.
DO NOT replace parts unless indicated by test results.
When one or more service codes are shown, start with first code received.
DO NOT measure voltage or resistance at PRC control module or connect any test lights unless specified otherwise.
Isolate both ends of a circuit and turn ignition off whenever checking for shorts or continuity, unless specified.
Disconnect solenoids and switches from harness before measuring for continuity, resistance or energizing with 12-volt source.
In using pinpoint test, follow each step in order, starting from first step in appropriate test. Follow each step until fault is found.
Unless otherwise specified, an open is defined as any resistance reading more than 5 ohms.
Unless otherwise specified, a short is defined as any resistance reading less than 10,000 ohms to ground.