Toyota CH-R Service Manual: Check Mode Procedure

CHECK MODE PROCEDURE

DESCRIPTION

(a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that cannot be detected in normal mode. Check mode can also detect all the malfunctions that can be detected in normal mode. In check mode, DTCs are stored with 1 trip detection logic.

CHECK MODE PROCEDURE

(a) Make sure that the following conditions are met:

(1) Battery voltage is 11 V or higher.

(2) The throttle valve is fully closed.

(3) The shift lever is in P or N.

(4) The A/C is turned off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Powertrain / Engine and ECT / Utility / Check Mode.

Powertrain > Engine and ECT > Utility

Tester Display

Check Mode

(f) Check that the MIL flashes as shown in the illustration.

NOTICE:

  • All DTCs and freeze frame data will be cleared if: 1) the Techstream is used to change the ECM from normal mode to check mode or vice versa; or 2) during check mode, the ignition switch is turned from ON to ACC or off.
  • Before changing to check mode, make notes of the DTCs and freeze frame data.

(g) Start the engine. The MIL should turn off after the engine starts.

(h) Simulate the conditions of the malfunction described by the customer.

(i) After simulating the malfunction conditions, use the Techstream to check the DTC and freeze frame data.

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