Shift light may be used on vehicles equipped with manual transmission. Light indicates best transmission shift point for maximum fuel economy. Power for light is supplied through GAUGES fuse. Light illuminates when PCM/VCM supplies a ground circuit for bulb. For wiring reference, see wiring schematics under MISCELLANEOUS PCM/VCM CONTROLS in SYSTEM/COMPONENT TESTS article.
Contents
Wiring diagrams Section: Theory & Operation- Introduction
- Terminology
- Speed Density
- Computerized Engine Controls
- Powertrain Control Module (Pcm)/vehicle Control Module (Vcm)
- Arithmetic Logic Unit (Alu)
- Central Processing Unit (Cpu)
- Power Supply
- Memories
- Input Devices
- A/c on (A/c Request) Signal
- Battery Voltage
- Brake Switch Feedback
- Engine Coolant Temperature (ECT) Sensor
- Cranking Signal
- Digital Ratio Adapter Controller (Drac)
- EGR Pintle Position
- Fuel Pump Feedback
- Gear Switches
- Knock Sensor (Ks)
- Manifold Absolute Pressure (MAP) Sensor
- Intake Air Temperature (IAT) Sensor (Some Engines)
- Oxygen Sensor (O2S)
- Park/neutral Position (Pnp) Switch
- Pressure Switch Manifold (Psm) (4L60-E Transmission)
- Throttle Position (Tp) Sensor
- Transmission Temperature Sensor (Tts) (4L60-E Transmission)
- Vehicle Speed Sensor (Vss)
- Output Signals
- ABS Control Motors (With Vcm)
- A/c Clutch Relay
- Cruise Control Solenoids
- Service Engine Soon Light
- EGR System
- Electronic Ignition (Ei)
- Fuel Injectors
- Fuel Pump & Fuel Pump Relay
- Idle Air Control (Iac) Valve
- Self-Diagnostics
- Serial Data
- Shift Solenoids (4L60-E Transmission)
- Torque Converter Clutch
- Transmission Shift Light (Manual Transmission)
- Fuel Pump
- Fuel Pressure Regulator
- Fuel Pump Relay
- Fuel Control
- Open Loop
- Closed Loop
- Central Sequential Port Injection
- Fuel System Operating Modes
- Idle Speed
- Enhanced Ignition System
- Ignition Timing Control
- Catalytic Converter
- Exhaust Gas Recirculation (EGR)
- Evaporative Emission System
- Carbon Canister
- Canister Control Valve (Ccv) (Some Federal)
- Purge Control Solenoid
- Positive Crankcase Ventilation (PCV)
- Self-Diagnostic System
- "Hard Failures"
- "Intermittent Failures"
- Service Engine/throttle Soon Light
- Miscellaneous Pcm/vcm Controls
- A/c Clutch
- A/c Pressure Switches
- Cruise Control
- Electronic Transmission (4L60-E)
- Shift Light
- A/c Compressor
- Abbreviations
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic Trans
- Basic Trouble Shooting
- Brakes
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Communication Devices
- Computer Relearn
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- Driveshaft & Universal Joints
- DTC Index
- Electrical
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Gauges & Instrument Panels
- General Servicing - All Makes
- Heated Glass/defoggers
- Identification
- Ignition System
- Manual & Power Steering
- Manual HVAC System
- Manual Trans
- MAP Guidelines
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Passive Restraints
- Procedures
- Removal & Installation
- Reset Procedures
- Restraints
- Rpo Codes
- Seats
- Sensor Range Charts
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Steering Gear
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transfer Case
- Transmission
- Wheel Alignment
- Windows
- Wiper/washer Systems
- Wiring Diagrams - Engine Performance