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Home › Toyota › 1995 › MR2 2.2 S, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes - 2.2L (Non-Turbo) › Diagnostic Testing › Code 71 - Exhaust Gas RECIRCULATION (EGR) System Malfunction › Code Detection Test Drive

Code Detection Test Drive

  1. Ensure ignition switch is off. Disconnect EFI fuse for 10 seconds or more. Connect jumper wire between DLC1 terminals TE2 and E1. See Figure. Start engine and warm to normal operating temperature.
  2. Idle engine for 3 minutes. Turn A/C on. Drive vehicle at 55-60 MPH on flat road for 4 minutes. If malfunction exists, MIL will illuminate during test drive.
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