How to Troubleshoot EECU Malfunctions?
1 Answers
EECU troubleshooting methods are as follows: 1. It may be an issue with the CAN bus, or the CAN bus connector may be loose or have poor contact. 2. Inspection revealed that the shutdown switch wiring harness connector (located near the front wheel) had water ingress, resulting in corroded pins. 3. After derusting and rust-proofing the pins, reconnecting them resolved the fault. When communication between the engine ECM and the instrument panel is interrupted, the instrument panel will report this fault. The ECU is a crucial computer in a car, responsible for regulating engine operation. The ECU relies on numerous sensors to collect information and then uses actuators to control engine operation. If the car is equipped with an automatic transmission, there may also be a TCU, which is specifically designed to regulate the transmission.