- 2003 Jeep Wrangler SE
- 2003 Jeep Wrangler X
- 2003 Jeep Wrangler Sport
- 2003 Jeep Wrangler Sahara
- 2003 Jeep Wrangler Rubicon
2003 Jeep Wrangler SUV service manual
Models covered in this manual:
File specifications
File type: ZIP
Language: English (some of our manuals are multilanguage)
Printable: Yes
Estimated download time: 0.87 Minutes
$18.99
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Product Information
Table of Contents
1.0 INTRODUCTION
- System Coverage
- Six-Step Trouble Shooting Procedure
2.0 IDENTIFICATION OF SYSTEM
3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION
- General Description
- Function Operation
- Fuel Control (Gas)
- On-Board Diagnostics
- Other Controls
- Non-Monitored Circuits
- SKIS Overview
- SKIM On-Board Diagnostics
- SKIS Operation
- Programming the Powertrain Control Module
- Programming the Sentry Key Immobilizer Module
- Programming the Ignition Keys to the Sentry Key Immobilizer Module
- Diagnostic Trouble Codes
- Hard Code
- Intermittent Code
- Starts Since Set Counter
- No Start Information
- Using the DRBIII®
- DRBIII® Error Messages and Blank Screen
- DRBIII® Does Not Power Up
- Display Is Not Visible
4.0 DISCLAIMERS, SAFETY, WARNINGS
- Disclaimers
- Safety
- Technician Safety Information
- Vehicle Preparation for Testing
- Servicing Sub-Assemblies
- DRBIII® Safety Information
- Warnings and Cautions
- Road Test Warnings
- Vehicle Damage Cautions
5.0 REQUIRED TOOLS AND EQUIPMENT
6.0 ACRONYMS
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES
- Communication
- No Response from PCM (PCI Bus)
- No Response from PCM (SCI Only)
- PCI Bus Communication Failure
- Driveability - Gas
- Intermittent Condition
- Diagnostic Trouble Codes (P0031 - P0360)
- Driveability Concerns
- Starting
- Checking Fuel Delivery
- Checking Hard Start (Fuel Delivery System)
- Engine Cranks Does Not Start
- Fuel Pressure Leak Down
- No Crank Condition
- No Response from PCM with a No Start Condition
- Start and Stall Condition
8.0 COMPONENT LOCATIONS
- Control Modules and PDC
- Data Link Connector
- Sensors and Solenoids
- Fuel System
- Switches
9.0 CONNECTOR PINOUTS
- A/C Compressor Clutch
- A/C High Pressure Switch (4.0L)
- A/C Low Pressure Switch (2.4L)
- A/C Low Pressure Switch (4.0L)
- A/C Pressure Transducer (2.4L)
- Battery Temperature Sensor
- Brake Lamp Switch
- Brake Transmission Shift Interlock Solenoid
- C120 (2.4L)
- C180
- Camshaft Position Sensor (4.0L)
- Clockspring C1
- Clutch Pedal Position Switch (M/T)
- Crankshaft Position Sensor (2.4L/4.0L A/T)
- Crankshaft Position Sensor (4.0L M/T)
- Data Link Connector
- Engine Coolant Temperature Sensor
- Engine Oil Pressure Switch
- EVAP/Purge Solenoid
- Fuel Injector No. 1 (2.4L/4.0L)
- Fuel Injector No. 2 (2.4L/4.0L)
- Fuel Injector No. 3 (2.4L/4.0L)
- Fuel Injector No. 4 (2.4L/4.0L)
- Fuel Injector No. 5 (4.0L)
- Fuel Injector No. 6 (4.0L)
- Fuel Pump Module (A/T)
- Fuel Pump Module (M/T)
- Fuses (Fuse/Relay Block)
- Generator
- Idle Air Control Motor
- Ignition Coil Pack (2.4L)
- Ignition Coil Pack (4.0L)
- Intake Air Temperature Sensor
- Leak Detection Pump
- Manifold Absolute Pressure Sensor (4.0L)
- Overdrive Off Switch
- Oxygen Sensor 1/1 Upstream
- Oxygen Sensor 1/2 Downstream
- Oxygen Sensor 2/1 Upstream (Except Export/Japan Low Emission Vehicle)
- Oxygen Sensor 2/2 Downstream (Except Export/Japan Low Emission Vehicle)
- Fuses (PDC)
- A/C Clutch Relay
- Automatic Shut Down Relay
- Engine Starter Motor Relay
- Oxygen Sensor Downstream Heater Relay
- Power Steering Pressure Switch (2.4L)
- Powertrain Control Module C1
- Powertrain Control Module C2
- Powertrain Control Module C3
- Radiator Fan Motor (2.4L)
- Radiator Fan Motor Circuit Breaker (2.4L)
- Radiator Fan Motor Relay (2.4L)
- Sentry Key Immobilizer Module
- Speed Control Servo
- Throttle Position Sensor (4.0L)
- Vehicle Speed Sensor
10.0 SCHEMATIC DIAGRAMS
11.0 CHARTS AND GRAPHS
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