SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD1996RV CUTAWAY 5.8 HREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 36 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING - 5.8L EEC-IV)IGNITION SYSTEMPINPOINT TEST C: CONTINUOUS MEMORY CODE 212
1996 Ford RV Cutaway 5.8 H

Pinpoint Test C: Continuous Memory Code 212

1996 Ford RV Cutaway 5.8 HSECTION Pinpoint Test C: Continuous Memory Code 212
WARNING: This page is about a different car, the 1996 Ford Pickup and 1996 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect Test Equipment  Turn ignition off. Connect DI Diagnostic Cable (007-00097) to EEC-IV Breakout Box (T83L-50-EEC-IV), negative battery terminal and ICM. See Figure . Leave B+ lead disconnected. Ensure PIP OPEN/NORMAL/SPOUT OPEN switch is in NORMAL position. Use DI overlay on breakout box. Disconnect PCM and go to next step.
  2. Check IDM Signal At PCM  Turn ignition off. Set DVOM to AC scale. Crank engine while measuring voltage between J7 (B-) at breakout box and terminal No. 4 (IDM) at PCM wiring harness connector. If AC voltage is more than one volt, replace PCM. If AC voltage is one volt or less, go to next step.
  3. Check For Short To Power In IDM  Turn ignition off. Disconnect diagnostic connector from ICM. Leave ICM wiring harness connected to diagnostic cable. Set DVOM on DC scale. Turn ignition on. Measure voltage between J7 (B-) and J23 (IDM). If voltage is less than 0.5 volt, go to next step. If voltage is 0.5 volt or more, repair short to power in IDM circuit between PCM and ICM wiring harness connector.
  4. Check For Short To Ground In IDM  Turn ignition off. Measure resistance between J7 (B-) and J23 (IDM). If resistance is 10,000 ohms or less, repair short to ground in IDM circuit between PCM and ICM wiring harness connector. If resistance is more than 10,000 ohms, go to next step.
  5. Check For Open IDM  Measure resistance between J23 (IDM) at breakout box and terminal No. 4 of PCM wiring harness connector. If resistance is less than 5 ohms, replace ICM. If resistance is 5 ohms or more, repair open IDM circuit between PCM and ICM wiring harness connector.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.