Service Code Number

Inspection Procedure




1. Connect the SST (System Selector) to the data link connector.
2. Set the SYSTEM SELECT switch to position 2.
3. Set the TEST SW to SELF TEST position.







4. Connect the SST (EC-AT Tester or Self-Diagnosis Checker) to the System Selector.
5. Set the SELECT SW to position A.




6. Turn the ignition switch ON.
7. Verify that "88" flashes on the digital display and the buzzer sounds for 3 seconds.
8. If "88" does not flash, check the main relay, 1 N and/or 1 P terminals of powertrain control module (transmission) for an open or short circuit.
9. If "88" flashes and the buzzer sounds continuously for more than 20 seconds, check the wiring to terminal 2N of the powertrain control module (transmission) for an open or short circuit. If necessary, replace the powertrain control module (transmission) and repeat from Step 2.
10. Note any code number(s) and check for the cause(s). Repair as necessary.

NOTE: After repairs are made, recheck for code numbers by performing the "After-repair Procedure. Reading and Clearing Diagnostic Trouble Codes