Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

OK
8.
CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - REAR SPEED
SENSOR)
(a) Turn the ignition switch off.
(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
(c) Disconnect the S1 skid control ECU (brake actuator assembly) connector and the O3 and/or O4 rear
speed sensor connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for RH
TESTER CONNECTION CONDITION SPECIFIED CONDITION
S1-16 (RR+) - Xa1-2 (RR+) Always Below 1 Ω
S1-15 (RR-) - Xa1-1 (RR-) Always Below 1 Ω
S1-16 (RR+) or Xa1-2 (RR+) - Body ground Always 10 kΩ or higher
S1-15 (RR-) or Xa1-1 (RR-) - Body ground Always 10 kΩ or higher
for LH
TESTER CONNECTION CONDITION SPECIFIED CONDITION
S1-29 (RL+) - Xa2-2 (RL+) Always Below 1 Ω
S1-28 (RL-) - Xa2-1 (RL-) Always Below 1 Ω
S1-29 (RL+) or Xa2-2 (RL+) - Body ground Always 10 kΩ or higher
S1-28 (RL-) or Xa2-1 (RL- ) - Body ground Always 10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
9. INSPECT BRAKE ACTUATOR (SENSOR INPUT)
(a) Reconnect the S1 skid control ECU (brake actuator assembly) connector.
(b) Turn the ignition switch to ON.
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