Galant L4-2.4L (4G69) (2004)
1. Disconnect powertrain control module connector B-19 and combination meter connector C-101, and measure the resistance at the harness side of
data link connector C-125.
2. Turn the ignition switch to the "LOCK" (OFF) position.
CAUTION: Disconnect the negative battery terminal. For details refer to Service Precautions/Vehicle Damage Warnings.
3. Disconnect the negative battery terminal.