Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

OK
(a) Disconnect the S1 skid control ECU (brake actuator assembly)
connector.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
TESTER CONNECTION SWITCH CONDITION SPECIFIED CONDITION
S1-12 (IG1) - 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
(IG1 CIRCUIT)
5. CHECK HARNESS AND CONNECTOR (GND1 TERMINAL)
(a) Turn the ignition switch off.
(b) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION CONDITION SPECIFIED CONDITION
S1-25 (GND1) - Body ground Always Below 1 Ω
Text in Illustration
*A
Front view of wire harness connector
(to Skid Control ECU [Brake Actuator Assembly])
cardiagn.com

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