Cruise Control Systems
- Identification
- Description & Operation
- Self-Diagnostic System
- System Diagnostics
- Service Precautions
- Diagnostic Procedure
- Visual Inspection
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Connector Identification
- Self-Diagnostic Tests - Non-Turbo
- Notes
- DTC Test - Checking System For Diagnostic Trouble Codes
- Test TC-15A - Speed Control Power Relay Circuit & Speed Control Solenoid Circuits
- Test TC-15B - Speed Control Power Relay Circuit & Speed Control Solenoid Circuits
- Test TC-15C - Speed Control Power Relay Circuit & Speed Control Solenoid Circuits
- Test TC-35A - No Vehicle Speed Sensor Signal
- Test TC-35B - No Vehicle Speed Sensor Signal
- Test TC-35C - No Vehicle Speed Sensor Signal
- Test TC-86A - Speed Control Switch Always High
- Test TC-86B - Speed Control Switch Always High
- Test TC-87A - Speed Control Switch Always Low
- Test SC-7A - Checking Speed Control Operation
- Test SC-7B - Checking Speed Control Operation
- Test SC-7C - Checking Speed Control Operation
- Test SC-8A - Checking Speed Control On/Off Switch
- Test SC-10A - Checking Park/Neutral Position Switch
- Test SC-11A - Checking Speed Control Relay Output
- Test SC-VER - Speed Control Verification
- Test VSS-VER - Road Test Verification
- Self-Diagnostic Tests - Turbo
- Input Switch Inspection (Turbo)
- Inactive Trouble Code Condition
- Trouble Symptom Usage
- Notes
- Inspection Procedure No. 1 - No Scan Tool Communication With Any System
- Inspection Procedure No. 2 - No Scan Tool Communication With Speed Control ECM: Speed Control Main Switch Circuit Malfunction
- Speed Control ECM Ground Circuit Malfunction
- Inspection Procedure NO. 3 - No Input Switch Inspection With Scan Tool
- Inspection Procedure No. 4 - Speed Control Does Not Cancel With Brake Pedal Depressed
- Inspection Procedure No. 5 - Speed Control Does Not Cancel With Clutch Pedal Depressed
- Inspection Procedure No. 6 - Speed Control Does Not Cancel With Selector Lever In Neutral
- Inspection Procedure No. 7 - Speed Control Does Not Cancel With Cancel Switch On
- Inspection Procedure No. 8 - Speed Control Cannot Be Set, Scan Tool Test Results Normal
- Inspection Procedure No. 9 - Speed Control Cannot Be Set
- Inspection Procedure No. 10 - Hunting At Set Speed
- Inspection Procedure No. 11 - Speed Control Indicator Off With Main Switch On, Speed Control Functions Normally
- Inspection Procedure No. 12 - No Main Switch Illumination
- Inspection Procedure No. 13 - No Instrument Cluster Control Indicator Illumination
- Inspection Procedure No. 14 - Brake Switch Input Circuit Check, For Input Switch Inspection Code 23
- Inspection Procedure No. 15 - Clutch Switch Input Circuit Check, For Input Switch Inspection Code 26
- Inspection Procedure No. 15 - Park/Neutral Switch Input Circuit Check, For Input Switch Inspection Code 26
- Pin Voltage Tests (Turbo)
- Trouble Shooting
- Notes
- No Speed Control When Set Button Is Pressed & Released
- Speed Control Engages Without Actuating Speed Set Button
- Speed Control Engages When Engine Is Started
- Erratic Speed Or Engine Shuts Off
- Excessive Sag On Hills Or In Trailer Towing
- Speed Control Disengages On Rough Road
- Engine Does Not Return To Normal Idle
- No Resume When Resume Button Is Pressed
- Speed Control Does Not Disengage With Brake Pedal Depressed
- Testing
- Removal & Installation
- Wiring Diagrams