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Home >> Geo >> 1996 >> Prizm Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission Diagnosis - A-240 "E" Series) >> Diagnostic Tests >> DTC 64 Or DTC P0773: Lock-Up/SL Solenoid

DTC 64 Or DTC P0773: Lock-Up/SL Solenoid

WARNING: This page is about a different variant/trim than selected.
  1. Access ECT ECU. See Figure-8. Using ohmmeter, check resistance between terminal SL and body ground with connector removed from ECT ECU. See Figure.
  2. Resistance should be 11-15 ohms. If resistance is okay, replace ECT ECU. If resistance is not within specification, disconnect electrical connector at lock-up solenoid. See WIRING DIAGRAMS .
  3. Check resistance between electrical terminal on lock-up solenoid and body ground. Replace lock-up solenoid if resistance is not 11-15 ohms. If resistance is 11-15 ohms, inspect and repair wiring between lock-up solenoid and ECT ECU.
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