LS 460 V8-4.6L (1UR-FSE) (2007)
Hydraulic Control Assembly - Antilock Brakes: Testing and Inspection
On Vehicle Inspection
ON-VEHICLE INSPECTION
1. CHECK BRAKE ACTUATOR ASSEMBLY OPERATION
a. Pre-check preparation
1. Move the shift lever to the P position. Apply the parking brake and connect the intelligent tester or Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn on the intelligent tester or Techstream. Select "MAS CYL PRS1", "MAS CYL PRS2", "FR PRESS SENS", "FL PRESS SENS" and
"RL PRESS SENS".
b. Check the FR system solenoid (SLAFR, SLRFR, SMC1, SMC2).
1. Select "SLAFR CUR". Press " -> "and check the output voltage.
NOTE: Do not depress the brake pedal.
HINT:
-
It takes approximately 35 seconds to complete the check.
-
If incorrect, troubleshoot the brake system.
c. Check the FL system solenoid (SLAFL, SLRFL, SMC1, SMC2).
1. Select "SLAFL CUR". Press " -> "and check the output voltage.
NOTE: Do not depress the brake pedal.
HINT:
-
It takes approximately 35 seconds to complete the check.
-
If incorrect, troubleshoot the brake system.
d. Check the RR system solenoid (SLARR, SLRRR, SMC1, SMC2).