Check Mode Procedure

WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MODE (SIGNAL CHECK): DTC CHECK
1. Connect the intelligent tester (with CAN VIM) to the DLC3.
2. Turn the power switch ON (IG).
3. Select the SIGNAL CHECK, and proceed to check with the intelligent tester.
  NOTE: Select the SIGNAL CHECK from the DTC CHECK screen displayed on the intelligent tester to clear the output DTCs (both present and past).
  
  Fig 1: Connecting Intelligent Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - DTCs can be detected more sensitively in check mode than in normal diagnosis mode.
  - Perform the check mode inspection when a malfunction in each squib circuit is suspected even after the normal system code is output through the normal diagnosis mode inspection.