Without Scan Tool
Check the DTC (Using diagnosis check wire)1. Turn ignition switch ON.
2. Using SST, connect between terminals 11 (TC) and 3 (El) of DLC 1.
SST 09843-18040
3. Read the diagnostic trouble code from malfunction indicator lamp.
HINT:
- If a diagnostic trouble code is not output, check the TC terminal circuit.
- ECM controls the Immobilizer function on this vehicle, DTC is out put with engine data.
As an example, the blinking patterns for codes; normal, 12 and 99 are shown in the illustration.
4. When DTC "99" is output, there is a trouble of immobilizer. Start troubleshooting referring to PROBLEM SYMPTOM TABLE.[1][2]Engine Immobilizer System
5. After completing the check, disconnect terminals 13 (TC) and 4 (CG) and turn off the display.
HINT: In the event of 2 or more malfunction codes, indication will begin from the smaller numbered code and continue in order to the larger.