Montero V6-3.8L SOHC (2005)
4. If the resistance value exceeds the specified value, replace the HBB master cylinder and hydraulic unit assembly.
5. With the HBB connector"A" disconnected, turn "ON" the ignition switch to operate the pump motor. Then measure the resistance between
terminals No. 33 and No. 35 at the HBB connector "A" while the pump motor is operating.
6. If the resistance value exceeds the specified value, replace the HBB master cylinder and hydraulic unit assembly.
7. Connect the HBB connector "A."
8. Erase HBB diagnostic trouble codes.
Pressure Switch (for Low-Pressure Warning) Check
1. Depress the brake pedal repeatedly more than 40 times until the pedal depressing force is felt heavy with the ignition switch at the "LOCK" (OFF)
position to release the pressure of HBB power supply system.
2. Disconnect the HBB connector "B."
3. Measure the resistance between terminals No. 1 and No. 5 at the HBB connector "B."
4. If the resistance value exceeds the specified value, replace the HBB master cylinder and hydraulic unit assembly.
5. Next, turn the ignition switch to the "ON" position to operate the pump motor. Then confirm that the pump motor is stopped.
6. Measure the resistance between terminals No. 1 and No. 5 at the HBB connector "B."
7. If the resistance value exceeds the specified value, replace the HBB master cylinder and hydraulic unit assembly.
8. Connect the HBB connector "B."
9. Erase HBB diagnostic trouble codes.
HBB Motor Relay Check
HBB MOTOR RELAY CHECK
Motor Relay A, B