Pre-Test Instructions
Run PINPOINT TESTS only after completing the following:
- VISUAL INSPECTION
- KEY ON ENGINE RUNNING TEST
- CONTINUOUS MONITOR 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 passing quick test.
- DO NOT replace parts unless test results indicate it.
- When one or more service codes are shown, start with first code received.
- DO NOT measure voltage or resistance at control module or connect any test lights unless specified.
- 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.
- 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, unless otherwise specified.