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 MANUALSFORD1996RV CUTAWAY 5.8 HREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM - 4-WHEELDIAGNOSISTEST Z: DRIVE TEST
1996 Ford RV Cutaway 5.8 H
Test Z: Drive Test
1996 Ford RV Cutaway 5.8 HSECTION Test Z: Drive Test
- Check Low Speed ABS Stop
Before performing test, wet down stopping surface to aid test procedure. Drive vehicle at about 10 MPH. Press brake pedal enough to lock all 4 wheels. Momentarily lock-up is permissible. If one wheel does not lock consistently and ABS warning light is not on, go to step 2 . If one wheel does not lock consistently, but other symptoms exist, go to step 6 . If one wheel locks and ABS warning light is not on, go to SYMPTOM B under SYMPTOM TESTS. If one wheel locks consistently and ABS warning light is on and stays on, go to step 7 . - Check Unwarranted ABS Activity
Drive vehicle at approximately 20 MPH. If windshield wipers are on, turn wipers off. Perform light to medium normal stop. Check for brake pedal pulsation. If ABS pump motor runs, brake pedal pulsation is felt at any time during stop and ABS warning light is not on, go to SYMPTOM A under SYMPTOM TESTS. If pump motor runs, brake pedal pulsation is felt at any time during stop and ABS warning light comes on and stays on, go to step 7 . If pump motor does not run and brake pedal pulsation is not felt at any time during stop, but other symptoms exist, go to step 6 . If pump motor does not run, brake pedal pulsation is not felt at any time during stop and ABS light is not on, go to next step. If vehicle pulls immediately upon braking and pump motor does not run, go to SYMPTOM E under SYMPTOM TESTS. If vehicle pulls as soon as pump motor runs, check front sensor opposite pull. Go to SYMPTOM A under SYMPTOM TESTS. If pump motor runs and no pull is felt, check rear sensor. Go to SYMPTOM A under SYMPTOM TESTS. - Creep Test
Clear codes. Turn ignition off. Start vehicle and shift into Drive (automatic) or 1st gear (manual). Allow vehicle to creep forward at idle for at least 45 seconds. If ABS warning light does not come, go to next step. If ABS warning light comes, go to step 8 . - Check Sensor Gap
Clear codes. Turn ignition off. Start vehicle and shift into Drive (automatic) or 1st gear (manual). In a time period of at least 45 seconds, accelerate vehicle slowly to 25 MPH. If ABS warning light comes on, go to step 8 . If ABS warning light does not come on, go to next step. - Verify Repair
If all symptoms have been corrected, drive test procedure is complete. ABS system is functioning properly. If symptoms still exist, go to SYMPTOM TESTS to identify current symptom diagnosis. - Check Symptoms
Check brake system for following symptoms: hard or soft brake pedal, lack of sufficient vehicle deceleration upon brake application or vehicle pulls during braking, and ABS pump motor does not run. If any of these symptoms exist, go to SYMPTOM DIAGNOSTIC CHART under SYMPTOM TESTS. If none of these symptoms exist, problem is not in ABS. Check brake mechanical or hydraulic system. - Check For Codes
Check for ABS diagnostic codes. If previous code still is present and test for specified code has been completed, go to TEST Y: INTERMITTENT DIAGNOSIS PROCEDURE . If test was not completed, return to specified test and complete test. If code is not previous code, go to appropriate test for specified code. If no code or SYSTEM PASS is present, go to PRETEST CHECKS . - Check Incorrect Sensor Signal
Check for codes. If sensor codes 1158, 1233, 1258, 1148, 1234, 1259, 1229, 1237, or 1260 are present, go to appropriate test. If sensor codes are not present, but other codes are present, go to appropriate test for specified code. If no code or SYSTEM PASS is present, go to PRETEST CHECKS .
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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.