Test 1A Checking System For Faults

1993 Chrysler LeBaron LandauSECTION Test 1A Checking System For Faults
  1. Using DRB-II, read fault messages. If DRB-II is showing a blank message screen, go to TEST 18A  . If DRB-II is displaying NO RESPONSE message, go to TEST 17A  . If no fault messages are present, turn ignition off and on. Using DRB-II, read fault messages. Monitor the display for 4 minutes. If no fault messages are present, Perform VER-1A  . If fault messages are present, go to next step.
  2. In some cases, cause of one fault message may set additional fault messages. If multiple fault messages appear on DRB-II, fault repairs must be performed in the order they appear in the FAULT MESSAGES  table. If only one fault is set, perform indicated test for that fault message.
FAULT MESSAGES

DRB-II Message Go To Test:
CAB Replace CAB
MODULATOR TEST 9A 
SYSTEM RELAY TEST 16A 
PUMP/MOTOR TEST 10A 
SOLENOID UNDERVOLTAGE TEST 15A 
ANTILOCK LAMP DIODE CIRCUIT TEST 2A 
ANTILOCK LAMP CIRCUIT TEST 3A 
EXCESS DECAY TEST 4A 
LF WHEEL SPEED SENSOR TEST 5A 
LR WHEEL SPEED SENSOR TEST 6A 
LF WSS CONTINUITY TEST 7A 
LR WSS CONTINUITY TEST 8A 
RF WSS CONTINUITY TEST 11A 
RF WHEEL SPEED SENSOR TEST 12A 
RR WHEEL SPEED SENSOR TEST 13A 
RR WSS CONTINUITY TEST 14A 
NO RESPONSE TEST 17A 
RENDER: 1.0x

NO RELATED

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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.