1. Connect the connector to the running light unit.
2. Connect the negative battery cable.
3. Measure the voltage at the running light unit using voltmeter.
4. If the value are not as specified in the Terminal Voltage List (Reference), inspect the parts under Action and related wiring harnesses.
5. If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the running light unit.
Terminal Voltage List (Reference)



Running light unit removal/installationMazda 6 Service Manual: Control valve body installation
On-Vehicle Installation
Caution
Be sure to align the parking rod and the manual valve.
1. Install the accumulator springs and accumulators into the transaxle case.
2. Install the control valve body component.
Tightening torque
7.8-10.8 N·m
{80-110 kgf·cm, 70-95 in·lbf}
Bo ...
Mazda 6 Service Manual: Input/turbine speed sensor inspection
Caution
Water or foreign objects entering the connector can cause a poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
1. Disconnect the negative battery cable.
2. Remove the battery and battery tray.
3. Remove the air cl ...