Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 C Doc ID: RM000005VAH000X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): C120B; IG Supply
Voltage Low; 2016 MY Tacoma [08/2015 - ]
DTC C120B IG Supply Voltage Low
DESCRIPTION
DTC
NO.
DETECTION
ITEM
DTC DETECTION CONDITION TROUBLE AREA
C120B
IG Supply
Voltage Low
Master cylinder pressure sensor power supply voltage
decrease occurs or history of voltage decrease exists,
and defective master cylinder pressure sensor output
continues for 1 second or more.
Master cylinder
pressure sensor
output defective
Skid control ECU
(Brake actuator
assembly)
ABS NO. 2 fuse
WIRING DIAGRAM
Refer to DTC C1417 .
INSPECTION PROCEDURE
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store
system information .
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. CHECK HARNESS AND CONNECTOR (+BS TERMINAL)
(a) Make sure that there is no looseness at the locking part and
the connecting part of the connector.
(b) Disconnect the skid control ECU (brake actuator assembly) connector.
(c) Measure the voltage according to the value(s) in the table below.
cardiagn.com

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