Displaying & Reading Trouble Codes

NOTE: This is the only information provided by the manufacturer for Reading Diagnostic Trouble Codes for this system.

PRE-CHECK

1. USING HAND-HELD TESTER
a. Hook up the hand-held tester to the DLC3.
b. Monitor the ECU data by following the prompts on the tester screen.

HINT: Hand-held tester has a "Snapshot" function which records the monitored data.
Please refer to the hand-held tester operator's manual for further details.

2. DTC CLEAR
a. The DTCs and freezed frame data will be erased by either action.
Operate the OBD II scan tool (complying with SAE J1978) or hand-held tester to erase the codes. (See the OBD II scan tool's instruction book for operating instructions.)

3. DATA LIST

HINT: According to the DATA LIST displayed by the OBD II scan tool or hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.




a. Connect the OBD II scan tool or hand-held tester to the DLC3.
b. Turn the ignition switch ON.
c. According to the display on tester, read the "DATA LIST".

4. ACTIVE TEST

HINT: Performing the ACTIVE TEST using the OBD II scan tool or hand-held tester allows the relay, VSV, actuator and so on to operate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.




It is possible to display the DATA LIST during the ACTIVE TEST
a. Connect the OBD II scan tool or hand-held tester to the DLC3.
b. Turn the ignition switch ON.
c. According to the display on tester, perform the "ACTIVE TEST".