Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHRYSLER1993LEBARON LANDAUREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM - BENDIX-4SELF-DIAGNOSTIC TESTSTEST 10D PUMP/MOTOR CIRCUIT
1993 Chrysler LeBaron Landau
Test 10D Pump/Motor Circuit
1993 Chrysler LeBaron LandauSECTION Test 10D Pump/Motor Circuit
NOTE:
For connector terminal identification, refer to CONNECTOR IDENTIFICATION
. For wiring diagrams, refer to WIRING DIAGRAMS
.
- Ensure pump/motor is still actuating. Using DRB-II, read INPUT STATE of pump/motor output. If pump/motor is cycling between on and off, pump/motor circuit is operating properly at this time. Perform VER-1A . If pump/motor is not cycling on and off, go to next step.
- Using DRB-II, stop MOTOR PUMP actuation. Turn ignition off. Disconnect pump motor relay connector. See Figure or Figure . Disconnect CAB 60-pin connector. Connect a jumper wire between chassis ground and Brown/White wire at pump/motor relay connector. Put DRB-II in ohmmeter mode. Using DRB-II, check resistance of CAB connector terminal No. 20 (Brown/White wire). If resistance is more than 5 ohms, repair open in Brown/White wire. Perform VER-1A . If resistance is less than 5 ohms, replace CAB. Perform VER-1A .
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.