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Home >> Chrysler >> 1995 >> LeBaron >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Self-Diagnostic Tests >> Test 77A - Check Gauges Lamp Problem

Test 77A - Check Gauges Lamp Problem

CAUTION: Always turn ignition off prior to disconnecting or connecting any module connector.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS - 3.0L article in ENGINE PERFORMANCE. Perform TEST VER-1 after each repair.
  1. Check engine oil level and top off oil as necessary. If oil level is okay, check coolant level. If coolant level is low, add coolant as necessary. If cooling system level is okay, go to next step.
  2. Turn ignition on. Observe check gauges warning lamp. If warning lamp is off, go to TEST 77B. If warning lamp is on, go to next step.
  3. Start engine. If warning lamp is off after engine is started, go to TEST 77C . If warning lamp is on after engine is started, go to next step.
  4. Check oil gauge on instrument cluster (if equipped). If oil pressure is low, check engine condition. See appropriate article in ENGINES. If oil pressure is okay, go to next step.
  5. Check cooling system temperature gauge operation and check vehicle for overheating. Repair cooling system as necessary, see appropriate article in ENGINE COOLING. If vehicle does not have an overheating or temperature gauge problem, go to next step.
  6. Check charging system. Repair charging system as necessary, see appropriate article in CHARGING & STARTING SYSTEMS. If charging system is okay, go to next step.
  7. With engine running, actuate check gauges warning lamp test using scan tool. If check gauges warning lamp flashes, system is okay at this time. If check gauges warning lamp does not flash, go to next step.
  8. Turn ignition off. Disconnect Body Control Module (BCM) Black connector. BCM is located behind right side kick panel. Check condition of connector and clean or repair connector as necessary. Start engine. Using scan tool in voltmeter mode, check voltage on BCM Black connector terminal No. 24 (Dark Green/Yellow wire). If voltage is more than 10 volts, replace BCM. If voltage is less than 10 volts, repair open Dark Green/Yellow wire.
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