Pinpoint Test G531320p17: Actuator Hall Effect Sensor Circuit Failure

PINPOINT TEST G531320p17: ACTUATOR HALL EFFECT SENSOR CIRCUIT FAILURE

G531320t66: CHECK THE HALL EFFECT 5 VOLT SUPPLY CIRCUIT FOR SHORT CIRCUIT TO GROUND
1. Key off.





2. Electric parking brake module connector 1 (CR50) disconnected.





3. Electric parking brake module connector 2 (CR32) disconnected.
4. Key on engine off.
5. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes GO to Pinpoint Test G531320t67.

-> No GO to Pinpoint Test G531320t74.

G531320t67: CHECK THE HALL EFFECT 5 VOLT SUPPLY CIRCUIT FOR SHORT CIRCUIT TO POWER
1. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes GO to Pinpoint Test G531320t68.

-> No GO to Pinpoint Test G531320t75.

G531320t68: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
1. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes GO to Pinpoint Test G531320t69.

-> No GO to Pinpoint Test G531320t76.

G531320t69: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
1. Measure the resistance between:





^ Is the resistance greater than 100 Kohm?

-> Yes GO to Pinpoint Test G531320t70.

-> No GO to Pinpoint Test G531320t77.

G531320t70: CHECK THE SENSOR RETURN CIRCUIT FOR SHORT CIRCUIT TO BATTERY
1. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes GO to Pinpoint Test G531320t71.

-> No GO to Pinpoint Test G531320t78.

G531320t71: CHECK THE SENSOR RETURN CIRCUIT FOR OPEN CIRCUIT
1. EPB actuator connector disconnected.





2. Measure the resistance between:





^ Is the resistance less than 10 ohms?

-> Yes GO to Pinpoint Test G531320t72.

-> No REPAIR the open circuit. For additional information, refer to Vehicle/Diagrams.

G531320t72: CHECK THE HALL EFFECT 5 VOLT SUPPLY CIRCUIT FOR OPEN CIRCUIT
1. Measure the resistance between:





^ Is the resistance less than 10 ohms?

-> Yes GO to Pinpoint Test G531320t73.

-> No REPAIR the open circuit. For additional information, refer to Vehicle/Diagrams.

G531320t73: CHECK THE ACTUATOR SIGNAL CIRCUIT FOR OPEN CIRCUIT
1. Measure the resistance between:





^ Is the resistance less than 10 ohms?

-> Yes An intermittent fault may be present in the wiring harness. Visually check for chaffed wires or other physical damage to the harness. If no fault is found in the circuit, suspect the following component(s): - EPB module - EPB actuator - EPB module connector, CR50 - EPB module connector, CR32 - EPB actuator connector

-> No REPAIR the open circuit. For additional information, refer to Vehicle/Diagrams.

G531320t74: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
1. EPB actuator connector disconnected.





2. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes INSTALL a new EPB actuator.

-> No REPAIR the short circuit. For additional information, refer to Vehicle/Diagrams.

G531320t75: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
1. EPB actuator connector disconnected.





2. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes INSTALL a new EPB actuator.

-> No REPAIR the short circuit. For additional information, refer to Vehicle/Diagrams.

G531320t76: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
1. EPB actuator connector disconnected.





2. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes INSTALL a new EPB actuator.

-> No REPAIR the short circuit. For additional information, refer to Vehicle/Diagrams.

G531320t77: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
1. EPB actuator connector disconnected.





2. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes INSTALL a new EPB actuator.

-> No REPAIR the short circuit. For additional information, refer to Vehicle/Diagrams.

G531320t78: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE ACTUATOR
1. EPB actuator connector disconnected.





2. Measure the resistance between:





^ Is the resistance greater than 100 Kohms?

-> Yes INSTALL a new EPB actuator.

-> No REPAIR the short circuit. For additional information, refer to Vehicle/Diagrams.