Ford Mustang (1999-2004) Service Manual: Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.
Visual Inspection Chart
Electrical |
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3. If the concern remains after the inspection, connect diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from diagnostic tool menu. If diagnostic tool does not communicate with the vehicle:
- check that the program card is correctly installed.
- check that the correct version of the program card is installed.
- check the connections to the vehicle.
- check the ignition switch position.
If the diagnostic tool still does not communicate with the vehicle, go to Pinpoint Test H.
4. Go to Pinpoint Test PC.
System Precheck
PINPOINT TEST PC: DATA LINK DIAGNOSTICS NETWORK TEST
Test Step | Result / Action to Take |
PC1 DATA LINK DIAGNOSTICS NETWORK TEST | Yes Test PASSED. RETURN to the Symptom Chart of the section for the module in question. No If no response from the diagnostic tool, GO to Pinpoint Test H . If CKT70=ALL ECUS NO RESP / NOT EQUIP, GO to Pinpoint Test F . If CKT914 or CKT915=ALL ECUS NO RESP / NOT EQUIP, GO to Pinpoint Test G . If CKT70, CKT914, or CKT915=SOME ECUS NO RESP/NOT EQUIP, REFER to Symptom Chart. If the module in question is NO RESPONSE ON CKT914 (BUS+), or NO RESPONSE ON CKT915 (BUS-), REFER to Symptom Chart. If the module in question is NO RESPONSE/NOT EQUIPPED, REFER to Symptom Chart. |
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Symptom Chart
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Principles of Operation
The vehicle has two module communications networks. The standard
corporate protocol (SCP) which
is an unshielded twisted pair cable (data bus plus, Circuit 914 [TN/OG] and
data bus minus, Circuit ...
Pinpoint Tests
CAUTION: Be careful when probing the CJB, battery junction box (BJB)
or any
connectors. Damage will result to the connector receptacle if the probe or
terminal being used
is too large.
CAUTION ...
Other materials:
Exhaust Manifold - Inspection
Special Tool(s)
Straight Edge
303-D039 (D83L-4201-A) or
equivalent
1. Place a straight edge across the exhaust manifold flanges and check for
warping with a feeler
gauge.
Bearing -Inspection
1. Inspect bearings for the following defects. P ...
Essential towing checks
Follow these guidelines for safe towing:
• Do not tow a trailer until you drive your vehicle at least 1000 miles
(1600 kilometers).
• Consult your local motor vehicle laws for towing a trailer.
• See the instructions included with towing accessories for ...
Diagnostic Strategy
Troubleshooting an electronically controlled automatic transmission
is simplified by using the proven
method of diagnosis. One of the most important things to remember is
that there is a definite
procedure to follow.
NOTE: Do not take any short cut ...