FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Speedometer Head: Testing and Inspection

For Speedometer Head Diagnosis refer to; Powertrain Management / Computers and Control Systems / Body Control Modules / Testing and Inspection / Testing and Inspection / Body Control System Testing / Diagnostic Charts / System Testing - Tests 2A - 122B / Electronic Instrument Cluster Tests - 32A - 32H

Diagnosis of the speed sensor and circuit, the Chrysler Collision Detection (CCD) data bus, and/or the Powertrain Control Module (PCM) should be performed with a DRB scan tool as described in the proper Diagnostic Procedures.
This vehicle is equipped with an electronically driven speedometer and odometer which has the same appearance as a conventional cable driven unit. The speedometer cable is replaced by a transmission mounted speed sensor. For diagnosis of the speed sensor refer to: Transmission and Drivetrain / Transmission Control Systems / Transmission Speed Sensor.