Table of Contents Remove Install Remove TOC  WARNING  Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below…

Table of Contents Resistance Check Check for Short Circuit to Ground Check for Short Circuit from Pin to Pin Check for Short Circuit to External…

Table of Contents General Information Resistance Check Check for Short Circuit to Ground Check for Short Circuit to External Voltage Source General Information TOC The…

Table of Contents Voltage Check Voltage Check TOC Check the power harness ground connection for loose, corroded, or broken connections. SMALL | MEDIUM | LARGE Next  CAUTION  The leads…

Table of Contents Initial Check Remove Install Initial Check TOC Connect an electronic service tool to the vehicle datalink. Turn the keyswitch to the ON…

Electronic Engine Controls Tool Number 3377161 Multimeter Measure electrical circuits; voltage (volts), resistance (ohms), and current (amps). Tool Number 3822608 Weather-Pack Terminal Removal Tool Used…

View Related Topic ECM – No Communication Troubleshooting Tree   Printable Version Symptoms No communication and engine will not start No communication and engine will start…

View Related Topic Symptom Tree  t118   Printable Version This is symptom tree t118 Cause Correction Interview the operator to verify the complaint Refer to Driveability-General Information,…

View Related Topic Symptom Tree  t116   Printable Version This is symptom tree t116 Cause Correction Interview the operator to verify the complaint Refer to Driveability-General Information,…

Symptom Tree  t112   Printable Version This is symptom tree t112 Cause Correction Electronic fault codes active or high counts of inactive fault codes Read the fault…