Pinpoint Tests: Notes

WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) can damage the connector.

Do not carry out any of the following pinpoint tests unless instructed to do so. It is assumed that a fault has been detected in the system that directs entry to a specific diagnostic routine. Carrying out any pinpoint test without direction to do so can result in inaccurate diagnosis and possible replacement of functioning components. Correct test results are dependent on the correct operation of related components/systems.

Do not install any new parts unless the results indicate that they should be renewed.

When more than one diagnostic trouble code (DTC) is received, always start with the first DTC received.

For correct pinpoint test procedures, follow the steps in order as listed. Follow each step until a fault is found.

After completing any repair to the anti-lock brake system, verify that all components are correctly reconnected, clear all DTCs, drive vehicle and perform the self-test.

The scan tool can be used to take voltage and resistance measurements. Necessary probes and adapters (007-00577) are included in the scan tool kit.