Without Scan Tool
Output of DTC1. Turn the ignition switch to ON.
2. Using SST, connect terminals Tc and E1 of DLC2. SST 09843-18020
3. Read the DTC on the CRUISE MAIN indicator light.
HINT: If the DTC is not output, inspect the diagnosis circuit. As an example, the blinking patterns for codes; normal, 11 and 21 are shown in the illustration.
Diagnostic Trouble Code Chart:
4. Check for the problem using the DTC table.
5. After completing the check, disconnect terminals Tc and E1, and turn off the display.