1993 Eagle Vision ESiFACTORY OEM SERVICE PROCEDURE

Test 1A - Identifying Vehicle Equipment & System Problems

  1. Connect DRB-II to Data Link Connector (DLC). Connector is located under instrument cluster, next to center console. If DRB-II is not operational, refer to VEHICLE COMMUNICATIONS TESTS  .
  2. If DRB-II is operational, turn ignition on. Using DRB-II, select body system. If DRB-II does not display BUS OPERATIONAL, refer to VEHICLE COMMUNICATIONS TESTS. If BUS OPERATIONAL is displayed, go to next step.
  3. Using DRB-II, select body controller. If DRB-II displays NO RESPONSE, go to TEST 53A  . If DRB-II does not display NO RESPONSE, go to next step.
  4. Using DRB-II, select Automatic Temperature Control (ATC) system. If DRB-II displays NO RESPONSE, go to TEST 18A. If DRB-II does not display NO RESPONSE, go to next step.
  5. Using DRB-II, select Overhead Travel Information System (OTIS) module. If DRB-II displays NO RESPONSE, go to TEST 15A  . If DRB-II does not display NO RESPONSE, refer to TEST 1A DIAGNOSTIC TEST DIRECTORY table for specific diagnosis.
NOTE: Diagnostic TEST 16A through TEST 25G are related to manual A/C-heater or Automatic Temperature Control (ATC) system. Test procedures for manual or automatic A/C-heater systems may be found in AIR CONDITIONING & HEATING.
TEST 1A DIAGNOSTIC TEST DIRECTORY (1)

Problem Perform Test No.
Mechanical Instrument Cluster (MIC) 2A 
Overhead Travel Information System (OTIS) 15A 
Manual A/C-Heater System (Non-ATC) (2) 16A
Automatic Temp. Control (ATC) System (2) 17A
Wiper System 26A 
Automatic Door Lock (ADL) System 35A 
Remote Keyless Entry (RKE) System 36A 
Message Center 37A 
Courtesy Light System 40A 
Illuminated Entry System 47A 
Headlight Time Delay 48A 
Key-In Ignition Light 51A 
(Warning) Chime System 52A 
(1) When diagnosing a vehicle w/many apparent failures, start at top of table and perform indicated tests. Failures may occur separately or in various combinations. After repairs, ensure failure or group of failures have been corrected.
(2) Diagnostic TEST 16A and TEST 16B are related to manual A/C-heater system. Diagnostic TEST 17A through TEST 25G are related to Automatic Temperature Control (ATC) system. Test procedures for manual or automatic A/C-heater systems may be found in AIR CONDITIONING & HEATING.
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When to See a Mechanic

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.