Electric Parking Brake System Auto Function Circuit

Electric Parking Brake System AUTO Function Circuit

DESCRIPTION
The electric parking brake ECU receives shift position information from the TCM through CAN communication. When the engine switch is on (IG) and the electric parking brake switch AUTO switch is turned ON, the electric parking brake system AUTO function operates as follows: 1) when the brake pedal is depressed and the shift lever is moved from P to a position other than P, parking brake release control automatically operates; or 2) when the brake pedal is depressed and the shift lever is moved from a position other than P to P, parking brake lock control automatically operates.

WIRING DIAGRAM:

INSPECTION PROCEDURE

NOTICE:
^ If the electric parking brake ECU or electric parking brake actuator is replaced, perform the "RESET MEMORY" and "ACQUIRE TENSION SENSOR ZERO POINT" procedures.
^ Before disconnecting connectors or fuses, turn the engine switch off and wait 20 seconds or more.

Step 1-2:

Step 2 Continued, Step 3:

Step 4-5:

Step 5 Continued, Step 6:

Step 6 Continued, Step 7-9:

Step Continued, Step 10-11:

Step 11 Continued: