Brake Actuator: Inspection

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT BRAKE ACTUATOR ASSEMBLY

Measure the resistance according to the value(s) in the table below.

Resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
37 (SMC1) - 36 (BS1)	15.3 to 17.3 Ω
19 (SMC2) - 20 (BS2)	15.3 to 17.3 Ω
44 (SLAFR+) - 43 (SLAFR-)	3.6 to 4.2 Ω
28 (SLRFR+) - 27 (SLRFR-)	3.6 to 4.2 Ω
35 (SLAFL+) - 38 (SLAFL-)	3.6 to 4.2 Ω
21 (SLRFL+) - 22 (SLRFL-)	3.6 to 4.2 Ω
41 (SLARL+) - 42 (SLARL-)	3.6 to 4.2 Ω
25 (SLRRL+) - 26 (SLRRL-)	4.4 to 5.0 Ω
39 (SLARR+) - 40 (SLARR-)	3.6 to 4.2 Ω
23 (SLRRR+) - 24 (SLRRR-)	4.4 to 5.0 Ω
32 (BM2) - 1 (GND1)	Below 10 Ω
31 (BM1) - 1 (GND1)	Below 10 Ω
32 (BM2) - 31 (BM1)	Below 1 Ω
1 (GND1) - 2 (GND2)	Below 1 Ω
32 (BM2) - 3 (MTT)	About 33 Ω
31 (BM1) - 3 (MTT)	About 33 Ω

Fig 1: Inspecting Brake Actuator Assembly