Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 C Doc ID: RM000005VBC000X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): C146E,C146F;
Open in ABS Solenoid Relay Circuit; 2016 MY Tacoma [08/2015 - ]
DTC C146E Open in ABS Solenoid Relay Circuit
DTC C146F Short in ABS Solenoid Relay Circuit
DESCRIPTION
The ABS solenoid relay supplies power to the ABS solenoid and TRAC solenoid.
The solenoid relay is turned on 1.5 seconds after the ignition switch is turned ON, and is turned off if an open or
short in the solenoid is detected by the self diagnosis performed when the engine starts running.
The ABS solenoid relay is housed in the skid control ECU in the actuator assembly.
DTC
NO.
DETECTION ITEM DTC DETECTION CONDITION TROUBLE AREA
C146E
Open in ABS
Solenoid Relay
Circuit
Either of the following is detected:
When voltage at terminal +BS is 9.5 V or
higher and solenoid relay is ON, relay
contact is OFF continuously for 0.22
seconds or more.
When solenoid relay is turned on and
voltage at +BS terminal is below 9.5 V,
relay contact does not turn on after 0.22
seconds or more.
ABS NO. 2 fuse
Wire harness or
connector
Skid control ECU
(Brake actuator
assembly)
C146F
Short in ABS
Solenoid Relay
Circuit
Immediately after ignition switch turned ON and
solenoid relay is OFF, relay contact is ON continuously
for 4.5 seconds or more.
Skid control ECU (Brake
actuator assembly)
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
WIRING DIAGRAM
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