Mariner 4WD L4-2.5L (2010)
Garage Door Opener Transmitter: Initial Inspection and Diagnostic Overview
Special Tools Used With Diagnostics
Universal Transmitter
Inspection and Verification
Universal Transmitter
Inspection and Verification
1. Verify the correct programing procedure was used. Refer to Universal Transmitter Programming See: Programming and Relearning. If necessary,
contact the Lear Car2U(R) Customer Service Center at 866-572-2728, or the customer support website at www.learcar2u.com.
2. Verify the customer concern.
3. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
4. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
5. If the cause is not visually evident, verify the symptom and GO to Symptom Chart. See: Symptom Related Diagnostic Procedures
