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EPS Symptom Troubleshooting - EPS indicator does not go off, and no DTCs are stored

EPS indicator does not go off, and no DTCs are stored
  1. Turn the ignition switch to ON (II).
  1. Check for DTCs with the HDS.
Are any DTCs indicated?
YES -
Troubleshoot the indicated DTC.■
NO -
Go to Step 3 .
  1. Turn the ignition switch to LOCK (0).
  1. Check the No. 11 (7.5 A) fuse in the under-dash fuse/relay box.
Is the fuse OK?
YES -
Reinstall the No. 11 (7.5 A) fuse, then go to Step 13 .
NO -
Go to Step 5 .
  1. Disconnect the EPS control unit connector C (16P).
  1. Check for continuity between EPS control unit connector C (16P) terminal No. 8 and body ground.
Is there continuity?
YES -
Repair short to body ground in the wire between the EPS control unit and No. 11 (7.5 A) fuse in the under-dash fuse/relay box.■
NO -
Install a new No. 11 (7.5 A) fuse in the under-dash fuse/relay box, then go to Step 7 .
  1. Reconnect the EPS control unit connector C (16P).
  1. Start the engine, and watch the EPS indicator.
Does the EPS indicator go off?
YES -
Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTC's troubleshooting.■
NO -
  1. Disconnect the EPS control unit connector C (16P).
  1. Turn the ignition switch to ON (II).

  1. Measure the voltage between EPS control unit connector C (16P) terminal No. 8 and body ground.
Is there battery voltage?
YES -
Go to Step 12 .
NO -
Repair open in the wire between the EPS control unit and No. 11 (7.5 A) fuse in the under-dash fuse/relay box.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the EPS control unit connector A (2P).

  1. Check for continuity between EPS control unit connector A (2P) terminal No. 1 and body ground.
Is there continuity?
YES -
Go to Step 15 .
NO -
  • LHD model: Repair open in the wire between the EPS control unit and body ground (G301).■
  • RHD model: Repair open in the wire between the EPS control unit and body ground (G402).■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the gauge control module 32P connector.

  1. Check for continuity between EPS control unit connector C (16P) terminal and gauge control module 32P connector terminal individually.
    Sign
    EPS Control Unit Connector C (16P) Terminal
    Gauge Control Module 32P Connector Terminal
    CAN-L
    9
    29
    CAN-H
    10
    30

Is there continuity?
YES -
Check for loose terminals in the EPS control unit connectors and repair if necessary. If no poor connections are found, replace the EPS control unit.
NO -
Repair open in the wire between the EPS control unit and gauge control module.■