TSB90-25-12VacCruise01.jpg
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TSB 90-25-12 Vacuum Cruise System Diagnostics

ISSUE: Integrated Vehicle Speed Control (IVSC) was ...

TSB90-25-12VacCruise02SysID.jpg
287 hits | 50.87 KB | Posted: 1/1/07
"TRICKS OF THE TRADE"

Many speed control concerns can be easily resolved by using the following "...

TSB90-25-12VacCruise03CrctID.jpg
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VOLTAGE/RESISTANCE TESTS

If a concern cannot be found with a visual inspection, it can usually be...

TSB90-25-12VacCruise04VoltM.jpg
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VOLTAGE MEASUREMENTS

Connect the negative lead of the voltmeter to circuit 57 (ground) of the Sta...

TSB90-25-12VacCruise05ResM.jpg
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RESISTANCE MEASUREMENTS

Connect an ohmmeter between the designed circuits and make the following ...

TSB90-25-12VacCruise06Pinout.jpg
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ABNORMAL OPERATION DURING "ACCEL" OR "COAST"

In 1986-88 models, the vehicle may exhibit hesitatio...

TSB90-25-12VacCruise07Symptoms.jpg
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SPECIFIC CARLINE SYMPTOMS AND CORRECTIVE ACTIONS

The following charts are a summary of speed cont...

TSB90-25-12VacCruise08Symptoms.jpg
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SPECIFIC CARLINE SYMPTOMS AND CORRECTIVE ACTIONS

The following charts are a summary of speed cont...

TSB90-25-12VacCruise09Symptoms.jpg
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SPECIFIC CARLINE SYMPTOMS AND CORRECTIVE ACTIONS

The following charts are a summary of speed cont...

TSB90-25-12VacCruise10Symptoms.jpg
153 hits | 49 KB | Posted: 1/1/07
SPECIFIC CARLINE SYMPTOMS AND CORRECTIVE ACTIONS

The following charts are a summary of speed cont...

TSB90-25-12VacCruise11Symptoms.jpg
94 hits | 42.56 KB | Posted: 1/1/07
SPECIFIC CARLINE SYMPTOMS AND CORRECTIVE ACTIONS

The following charts are a summary of speed cont...