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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 405 (Engine Control System - DTC) >> DTC P1122: Electric Throttle Control Function >> Diagnostic Procedure >> 3. Check Throttle Control Motor Relay Input Signal Circuit-II
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3. Check Throttle Control Motor Relay Input Signal Circuit-II

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Disconnect IPDM E/R harness connector E124.
  4. Check continuity between ECM terminal 3 and IPDM E/R terminal 42.

    Refer to WIRING DIAGRAM.

    1. Continuity should exist. 
  5. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 5 .
  2. NG: GO TO 4.