Ford Mustang (1999-2004) Service Manual: Diagnostics
Special Tool(s)
Transmission Fluid Pressure Gauge 307-004 (T57L-77820-A) | |
Air Test Plate, Transmission 307-246 (T92P-7006-A) | |
Alignment Gauge, TR Sensor 307-351 (T97L-70010-A) | |
Breakout Box, EEC-V Control System 418-049 (T94L-50-EEC-V) or equivalent | |
MLP-TR Cable 418-F107 (007-00111) or equivalent | |
Worldwide Diagnostic System (WDS) 418-F224 New Generation STAR (NGS) Tester 418-F052 or equivalent scan tool | |
Transmission Tester 307-F016 (007-00130) or equivalent | |
Trans Tester TR/MLP Overlay and Manual 007-00131 or equivalent | |
73 III Automotive Meter 105-R0057 or equivalent | |
UV Leak Detector Kit 164-R0756 or equivalent |
Diagnosing an electronically controlled automatic transmission is simplified by using the following procedures. One of the most important things to remember is that there is a definite procedure to follow. DO NOT TAKE SHORT CUTS OR ASSUME THAT CRITICAL CHECKS OR ADJUSTMENTS HAVE ALREADY BEEN MADE. Follow the procedures as written to avoid missing critical components or steps. By following the diagnostic sequence, the technician will be able to diagnose and repair the concern the first time.
On-Board Diagnostics With Diagnostic Tool
NOTE: For detailed instruction and other diagnostic methods using the scan tool, refer to the scan tool tester manual and the Powertrain Control/Emissions Diagnosis (PC/ED) manual. These quick tests should be used to diagnose the powertrain control module (PCM) and should be carried out in order.
- Quick Test 1.0 - Visual Inspection
- Quick Test 2.0 - Set Up
- Quick Test 3.0 - Key On, Engine Off (KOEO)
- Quick Test 4.0 - Continuous Memory
- Quick Test 5.0 - Key On, Engine Running (KOER)
- Special Test Mode
- Wiggle Test
- Output Test Mode
- PCM Reset Mode
- Clearing DTCs
- OBD II Drive Cycle
- Other Scan Tool Features
For further information on other diagnostic testing features using the scan tool, refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual. Other diagnostic methods include the following:
- Parameter Identification (PID) Access Mode
- Freeze Frame Data Access Mode
- Oxygen Sensor Monitor Mode
Torque Converter Diagnosis
Prior to the installation of a new or remanufactured torque converter, all diagnostic procedures must be followed. This is to prevent the unnecessary installation of torque converters. Only af ...Output State Control (OSC) Mode
Output State Control (OSC) allows the technician to take control of certain parameters to function the transmission. For example, OSC allows the technician to shift the transmission only when ...Other materials:
Symptom Chart
Condition
Possible Sources
Action
Traction-Lok
does not work in
snow, mud or on
ice
Differential.
CARRY OUT the Traction-
Lok Differential Operation
Check in this section. REPAIR
as necessar ...
Installation
1. Inspect the rear axle pinion flange seal journal for rust, nicks, and
scratches prior to installing
the flange. Polish the seal journal with fine crocus cloth, if necessary.
2. Lubricate the rear axle pinion flange splines.
Use SAE 75W-140 High Performa ...
Principles of Operation
Multifunction Wipers
The front wiper/washer feature controls the speed of the front
windshield wipers and the amount of
washer fluid sprayed on the front windshield when requested by the
customer. There are five (5) wiper
modes: OFF, LOW, HIGH, INT ...