Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

OK
8. CHECK HARNESS AND CONNECTOR (STPO TERMINAL)
(a) Install the stop light control relay (STOP Relay).
(b) Make sure that there is no looseness in the locking part and connecting part of the connector.
(c) Disconnect the S1 skid control ECU (brake actuator assembly) connector.
(d) Turn the ignition switch to ON.
(e) Measure the voltage according to the value(s) in the table
below.
Standard Voltage:
TESTER CONNECTION SWITCH
CONDITION
SPECIFIED
CONDITION
S1-26 (STPO) - Body
ground
Ignition switch ON 11 to 14 V
Text in Illustration
*a
Front view of wire harness connector
(to Skid Control ECU [Brake Actuator Assembly])
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(STPO CIRCUIT)
OK
REPLACE BRAKE ACTUATOR ASSEMBLY
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