Troubleshooting Guide

GENERAL NOTES
A problem with the EC-AT may be caused by the engine, the EC-AT powertrain, the hydraulic control system, or the electronic control system; therefore, when troubleshooting begin with those points which can be inspected quickly and easily. The recommended troubleshooting sequence is described below.

Step 1: Self-diagnostic System Inspection






Check for diagnostic trouble code(s) memorized in the powertrain control module (Transaxle) with the Self-Diagnosis Checker.

Note: You can also check the flashing sequence of the hold indicator light for diagnostic trouble codes.

Step 2: Mechanical System Test






Check the engine stall speed, time lag, line pressure, and solenoid reducing pressure.

Step 3: Road Test






Check the shift point, shift schedule, and shift shock.