LS 460 V8-4.6L (1UR-FSE) (2007)
Brake Fluid Pump Relay: Testing and Inspection
ON-VEHICLE INSPECTION
NOTE: While the battery is connected, even if the engine switch is off, the brake control system activates when the brake pedal is depressed or the door
courtesy switch turns on.
Therefore during servicing of the brake system components, do not operate the brake pedal and open/ close the doors while the battery is connected.
1. CHECK ABS MOTOR RELAY (ABS MTR1)
HINT: The ABS motor relay (ABS MT R1) cannot be removed and inspected, as it is an internal relay of the engine room junction block.
a. Turn the engine switch off.
b. Connect the intelligent tester or Techstream to the DLC3.
c. Remove the relay inspection terminal cover of the engine room No.2 junction block.
d. Turn the engine switch on (IG).