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Home >> Subaru >> 2001 >> Outback Base, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - 2.2L & 2.5L >> Diagnostic Tests >> DTC P1116: Engine Torque Control Cut Signal Circuit Low Input - Forester, IMPREZA & Outback Sport

DTC P1116: Engine Torque Control Cut Signal Circuit Low Input - Forester, IMPREZA & Outback Sport

  1. Perform basic diagnostic procedure. See BASIC DIAGNOSTIC PROCEDURE . Start and warm engine. Turn ignition off, then on. Using DVOM connected to ground, backprobe ECM connector B134 (35-pin connector) terminal No. 31. See Figure. If voltage is more than 3 volts, repair poor contact in ECM connector. If voltage is not more than 3 volts, go to next step.
  2. Turn ignition off. Disconnect Transaxle Control Module (TCM) connector B54 (24-pin connector) and ECM connector B134 (35-pin connector). Measure resistance between ground and ECM connector B134 (35-pin connector) terminal No. 31. If resistance is less than 10 ohms, locate and repair short to ground in wiring between ECM and TCM. See WIRING DIAGRAMS article. If resistance is not less than 10 ohms, go to next step.
  3. Measure resistance between ECM connector B134 (35-pin connector) terminal No. 31 and TCM connector B54 (24-pin connector) terminal No. 2. See Figure and Figure . If resistance is less than one ohm, repair poor contact in ECM or TCM connector. If resistance is not less than one ohm, locate and repair open circuit in wiring between ECM and TCM. Clear memory and perform verification procedure. See CLEARING DIAGNOSTIC TROUBLE CODES  and VERIFICATION PROCEDURE  .
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