STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING
Refer to GROUP 00 − How to Use Troubleshooting/Inspection Service Points.
DIAGNOSTIC FUNCTION
HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
Required Special Tools:
CAUTION To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF) position.
2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824 and the personal computer.
4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON" position.
NOTE: When special tool MB991824 is energized, special tool MB991824 indicator light will be illuminated in a green color.
7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the connecting sequence, making sure that the ignition switch is at the "LOCK" (OFF) position.
HOW TO READ AND ERASE DIAGNOSTIC TROUBLE CODES
Required Special Tools:
CAUTION To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
NOTE: If the battery voltage is low, diagnostic trouble codes will not be set. Check the battery if scan tool MB991958 does not display.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "System select" from the start-up screen.
4. Select "From 2006 MY" of "Model Year". When the "Vehicle Information" is displayed, check the contents.
5. Select "ETACS" from "System List", and press the "OK" button.
NOTE: When the "Loading Option Setup" list is displayed, check the applicable item.
6. Select "Diagnostic Trouble Code". to read the DTC.
7. If a DTC is set, it is shown.
8. Choose "Erase DTCs" to erase the DTC.
ID CODES REGISTRATION JUDGMENT TABLE
CAUTION Do not replace the engine control module and KOS-ECU at the same time. When replacing several ECUs, always replace one ECU at a time, register the necessary IDs in it, and then replace the next ECU.
The individual unique ID code is stored in the transponder (small transmitter) and KOS-ECU, engine control module (ECM), keyless operation key, and steering lock unit for KOS. Under the conditions shown in the table, the corresponding ID code has to be registered in KOS-ECU or the ECM again.
NOTE: The KOS-ECU memory can memorize the maximum 4 different keyless operation keys (keyless operation key ID codes and key IDs).
NOTE:
KEY SUPPLY UNIT
KEY SUPPLY UNIT LIST FOR OTHER THAN INDIVIDUAL KEY
Registration flow chart
WARNING AND WARNING INDICATOR LIST <VEHICLES WITHOUT COLOR LIQUID CRYSTAL DISPLAY>
If the KOS failed, operated improperly, KOS-ECU warns the driver of this by setting off the outer tone alarm and the keyless operation warning indicator, on the multi information display in the combination meter. If the TPMS fails or the tire pressure is low, KOS-ECU warns the driver of that state by the TPMS warning light and the multi information display in the combination meter.
NOTE:
WARNING AND WARNING INDICATOR LIST <VEHICLES WITH COLOR LIQUID CRYSTAL DISPLAY>
If the KOS failed, operated improperly, KOS-ECU warns the driver of this by setting off the outer tone alarm and the keyless operation warning indicator, on the multi information display in the combination meter. If the TPMS fails or the tire pressure is low, KOS-ECU warns the driver of that state by the TPMS warning light and the multi information display in the combination meter.
NOTE:
DIAGNOSTIC TROUBLE CODE CHART
CAUTION During diagnosis, a DTC associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for DTC(s). If DTC(s) are set, erase them all.
NOTE: