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Test 1A - Identifying Vehicle Equipment & System Problems

WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . When directed to go to next step, disregard step if vehicle is not equipped with module being tested.
  1. Connect DRB to Data Link Connector (DLC). DLC is located under instrument cluster, next to center console. If DRB is not operational, see VEHICLE COMMUNICATIONS  . If DRB is operational, go to next step.
  2. Turn ignition switch to ON position. Using DRB, select body system. If DRB does not display BUS OPERATIONAL, see VEHICLE COMMUNICATIONS. If DRB displays BUS OPERATIONAL, go to next step.
  3. Using DRB, select body computer. If DRB displays NO RESPONSE, go to TEST 53A  . If DRB does not display NO RESPONSE, go to next step.
  4. If DRB displays TURN IGNITION ON, go to TEST 54A  . If DRB does not display TURN IGNITION ON, go to next step.
  5. Using DRB, select Powertrain Control Module (PCM). If DRB displays NO RESPONSE, go to TEST 56A  . If DRB does not display NO RESPONSE, go to next step.
  6. Using DRB, read body computer trouble codes. If any trouble codes are displayed, go to TEST 1B. If no trouble codes are displayed, go to next step.
    NOTE: TEST 16A through TEST 25J are related to A/C-heater systems. Test procedures for A/C-heater systems may be found in 1994 lemon-25(R) AIR CONDITIONING & HEATING SERVICE & REPAIR, DOMESTIC CARS, LIGHT TRUCKS & VANS manual.
  7. Using DRB, select Automatic Temperature Control (ATC) system. If DRB displays NO RESPONSE, refer to 1994 lemon-25(R) AIR CONDITIONING & HEATING SERVICE & REPAIR, DOMESTIC CARS, LIGHT TRUCKS & VANS manual. If DRB does not display NO RESPONSE, go to next step.
  8. Using DRB, select Overhead Travel Information System (OTIS) module. If DRB displays NO RESPONSE, go to TEST 15B  . If DRB does not display NO RESPONSE, see TEST 1A DIAGNOSTIC TEST DIRECTORY table for specific diagnosis.
TEST 1A DIAGNOSTIC TEST DIRECTORY (1)

Problem Perform Test No.
Instrument Cluster TEST 2A 
Overhead Travel Information System (OTIS) TEST 15A 
Manual A/C-Heater System (Non-ATC) (2) TEST 16A
Automatic Temp. Control (ATC) System (2) TEST 17A
Wiper System TEST 26A 
Automatic Door Lock (ADL) System TEST 35A 
Remote Keyless Entry (RKE) System TEST 36A 
Message Center TEST 37A 
Courtesy Light System TEST 40A 
Illuminated Entry System TEST 47A 
Headlamp Time Delay TEST 48A 
Key-In Ignition Lamp TEST 51A 
(Warning) Chime System TEST 52A 
Automatic Headlamp System TEST 55A 
(1) When diagnosing a vehicle with 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) TEST 16A and TEST 16B are related to manual A/C-heater system. TEST 17A through TEST 25J are related to Automatic Temperature Control (ATC) system. Test procedures for manual or automatic A/C-heater systems may be found in AIR CONDITIONING & HEAT section.
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