Operation CHARM: Car repair manuals for everyone.

A5 Check Signal at Control Module Connector







- Key OFF.

- Anti-lock brake control module connector C2 disconnected.

- Multimeter on AC scale.




Checking Signal:





- Measure the voltage between the following wires at the anti-lock brake control module connector C2 leading to the brake anti-lock sensor(s) in question while rotating wheel approximately 60 rpm (approximately one wheel turn per second):

LH Front "Y/GN" and "Y/BL"

RH Front "Y" and "O"

LH Rear "W" and "R"

RH Rear "GN" and "BL"

- Is the voltage reading between 0.25 and 3.0 volts AC?

YES -- Go to A7. A7 Check Stoplamp Circuit

NO -- Go to A6. A6 Inspect ABS Sensor(s) and Indicator(s)