Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Tests DP: Output Shaft Speed (OSS) Sensor/Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS)



PINPOINT TEST DP: OUTPUT SHAFT SPEED (OSS) SENSOR/VEHICLE SPEED SENSOR (VSS)/TRANSFER CASE SPEED SENSOR (TCSS)

WARNING: Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to Section 419-03 for Important Safety Warnings. Failure to follow these instructions may result in personal injury.

This pinpoint test is intended to diagnose the following:

^ OSS/VSS/TCSS (7F293/7M101/7H103)
^ harness circuits: OSS/VSS TCSS and SIGRTN
^ powertrain control module (PCM) (12A650)

Reference:






PCM Connector

Reference:






DP1 - DP2:





DP3 - DP5:





DP6 - DP7:





DP8 - DP9:





DP10 - DP11:





DP12 - DP13:





DP14 - DP15:





DP16:





DP17 - DP18:





DP19 - DP20:





DP21 - DP22: