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 MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 27 (ANTI-LOCK BRAKE SYSTEM)SELF-DIAGNOSTIC TESTSTEST 12A: RIGHT FRONT WHEEL SPEED SENSOR
1984 Plymouth Horizon Base, 1.6 A
Test 12A: Right Front Wheel Speed Sensor
1984 Plymouth Horizon Base, 1.6 ASECTION Test 12A: Right Front Wheel Speed Sensor
WARNING: This page is about a different car, the 1994 Plymouth Sundance, 1994 Plymouth Acclaim, 1994 Dodge Spirit, 1994 Dodge Shadow, and 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For connector terminal identification, refer to CONNECTOR IDENTIFICATION . For wiring diagrams, refer to WIRING DIAGRAMS .
- Using DRB, read fault messages. If DRB displays RF WSS CONTINUITY fault, perform test 11A. If DRB does not display RF WSS CONTINUITY fault, go to next step.
- Inspect right front Wheel Speed Sensor (WSS) for damage. If right front WSS is damaged, replace right front WSS. Perform TEST VER-1A: SYSTEM VERIFICATION TEST . If right front WSS is okay, go to next step.
- Inspect right front tone wheel for damage (chipping or cracking). If tone wheel is damaged, replace tone wheel. Perform TEST VER-1A: SYSTEM VERIFICATION TEST . If tone wheel is okay, go to next step.
- Ensure ignition is off. Disconnect right front WSS 2-pin connector, located near base of right front shock tower. Using an external ohmmeter, check resistance between right front WSS male connector terminals. If resistance is not 1000-4000 ohms, replace right front WSS. Perform TEST VER-1A: SYSTEM VERIFICATION TEST . If resistance is 1000-4000 ohms, go to next step.
- Inspect condition of ABS wiring harness between Controller Anti-Lock Brake (CAB) and right front WSS. If ABS wiring harness is damaged, repair as necessary. Perform TEST VER-1A: SYSTEM VERIFICATION TEST . If ABS wiring harness is okay, replace CAB. Perform TEST VER-1A: SYSTEM VERIFICATION TEST .
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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.