DRL Control Module Inspection: Notes
WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the connector to the DRL control module.
- Connect the negative battery cable.
- Measure the voltage at the DRL control module using voltmeter.
- When inspecting terminal 1B, 1D or 2D for continuity, disconnect the DRL control module connector.
- If the value are not as specified in the Terminal Voltage List (Reference), inspect the parts under "Inspection item(s)" and related wiring harnesses.
- If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the DRL control module.