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HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3 (ENGINE CONTROLS - TESTS W/CODES - EEC)SELF-DIAGNOSTIC SYSTEMSWITCH MONITOR TESTSUPER STAR II TESTER
1991 Mercury Tracer Base, 4D Sedan, Automatic

SUPER STAR II Tester

1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION SUPER STAR II Tester
WARNING: This page is about a different car, the 1992 Mercury Tracer, 1992 Ford Probe, and 1992 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.

1)  Turn engine off and allow it to cool. Turn all accessories off. Connect tester. See SUPER STAR II TESTER under QUICK TEST. Ensure tester center button is released.

2)  Place shift lever in Park (A/T) or Neutral (M/T). Turn tester on, and set center button to TEST position. Observe LED indication as each input device is tested. See SWITCH MONITOR TEST SPECIFICATIONS  .

3)  Test EEC input devices individually. Turn device off after test. Leaving device on while testing another device may produce false results and cause misdiagnosis. If input device fails test (reading on SUPER STAR II tester is not as indicated), perform related CIRCUIT TEST. See SWITCH MONITOR TEST SPECIFICATIONS  . If all input devices test okay and no code is stored in ECA memory, EEC system test is complete.

SWITCH MONITOR TEST SPECIFICATIONS

Switch SUPER STAR II/VOM Indication (1) Circuit Test
Clutch Engage/Neutral Gear Switch (2) LED On/1.5 Volts; Transaxle In Gear & Clutch Pedal Released STG
Manual Lever Position Switch LED On/1.5 Volts; Transaxle In Park Or Neutral STP
Idle Switch LED On/1.5 Volts; Accelerator Pedal Depressed STG
Brake On-Off Switch LED On/1.5 Volts; Brake Pedal Partially Depressed STP
Headlight Switch LED On/1.5 Volts; Headlight Switch On STP
Blower Motor Switch LED On/1.5 Volts; Switch Set At 2 Or Higher STG
A/C Switch LED On/1.5 Volts; A/C & Blower Switch On STG
Defrost Switch LED On/1.5 Volts; Defrost Switch On STP
Coolant Temp. Sw. (3) LED On/1.5 Volts; Cooling Fan On STP
Wide Open Throttle Switch (4) LED On/1.5 Volts; Accelerator Pedal Fully Depressed STG
Knock Control (5) LED On/1.5 Volts; While Tapping On Engine KC
(1) Proceed to CIRCUIT TEST indicated if Super Star II/VOM indication is incorrect. See CIRCUIT TESTS.
(2) Not applicable to A/T vehicles.

(3) To perform test, it may be necessary to ground cooling fan.

(4) Applies to 1.8L only.

(5) Applies to 2.2L turbo only.
Fig 1: Self-Test Connector Terminal ID (1.8L)
G91C08139Courtesy of FORD MOTOR CO.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.