Toyota Yaris: Stop And Start System / Registration

REGISTRATION

PROCEDURE

1. ECU EXCHANGE

(a) Download the engine stop and start ECU data. (Step 1)

(1) Enter the following menus: Powertrain / Stop and Start / Utility / ECU Exchange.

(2) According to the display on the GTS, select "Step 1 Save" and then "Next" to download the ECU data from the engine stop and start ECU.

(b) Replace the engine stop and start ECU. (step 2)

(1) Replace the engine stop and start ECU.

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(c) Write the engine stop and start ECU data to the new engine stop and start ECU. (Step 3)

(1) Enter the following menus: Powertrain / Stop and Start / Utility / ECU Exchange.

(2) According to the display on the GTS, select "Step 3 Write" and then "Next" to write the ECU data to the new engine stop and start ECU.

(d) Perform external backup boost converter (eco run vehicle converter assembly) existence learning. (Step 4)

(1) According to the display on the GTS, select "Step 4 Learning" and then "Next" to perform external backup boost converter (eco run vehicle converter assembly) existence learning.

HINT:

If the external backup boost converter (eco run vehicle converter assembly) existence value of the old engine stop and start ECU differs from the current learned value or if data could not be downloaded from the old engine stop and start ECU, the learning result will be displayed.

2. CLEAR NUMBER OF STARTER OPERATIONS

(a) Enter the following menus: Powertrain / Stop and Start / Utility / Starter Exchange.

(b) Following the prompts on the GTS display, clear the number of starter operations.

3. RESET AIR CONDITIONING INFORMATION

NOTICE:

After replacing the engine stop and start ECU or air conditioning amplifier assembly, initialization of the air conditioning information in the engine stop and start ECU is necessary.

(a) Enter the following menus: Powertrain / Stop and Start / Utility / Reset A/C Information.

(b) Following the prompts on the GTS display, clear the A/C information.

4. LEARNING AIR CONDITIONING INFORMATION

HINT:

When initialization of the air conditioning information is complete, air conditioning information learning is automatically performed. If the learning cannot be performed properly, inspect the CAN communication system.

5. CLEAR THE INTEGRATED CURRENT VALUE

HINT:

After charging the auxiliary battery or replace auxiliary battery, perform the integrated current value initialization.

If the Data List item "Integrated Current" indicates 0 or more, initialization is not necessary.

(a) Enter the following menus: Powertrain / Stop and Start / Utility / Integrated Current Value Initialization.

6. SWITCH AUXILIARY BATTERY TYPE

(a) Check whether the auxiliary battery is specified or not specified.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON.

HINT:

Do not start the engine.

(d) Turn the GTS on.

(e) Enter the following menus: Powertrain / Stop and Start / Data List / Auxiliary Battery Type.

HINT:

Check the auxiliary battery type (Specified/Other) stored by the engine stop and start ECU.

(f) If the auxiliary battery installed does not match the auxiliary battery stored by the ECM, switch to the auxiliary battery type for the installed auxiliary battery.

(1) Enter the following menus: Powertrain / Engine / Utility / Switch Auxiliary Battery Type.