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Home >> Land Rover >> 2003 >> Freelander SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - With Codes >> DTC P1692: Main relay fault. >> Possible Causes:
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes:

  1. Connector MS43 ECM C603, Engine fusebox connectors C570, C576.
  2. Open circuit C576/9 (WK) - C603/9 (WK).
  3. Short circuit C576/9 (WK) - Ground.
  4. Engine compartment fusebox Fuse 2.
  5. Main relay.
  6. MS43 ECM.
  1. Connector MS43 ECM C603, Engine fusebox connectors C570, C576. 

    CONNECTOR

    Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

  2. Open circuit C576/9 (WK) - C603/9 (WK). 

    OPEN_CIRCUIT

    Check resistance > 1M&!

  3. Short circuit C576/9 (WK) - Ground. 

    SHORT_CIRCUIT

    Check resistance < 5.0&!

  4. Engine compartment fusebox Fuse 2. 

    No detail available for this fault

  5. Main relay. 

    No detail available for this fault

  6. MS43 ECM. 

    No detail available for this fault

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