COMPONENTS
ILLUSTRATION

RemovalPower Supply Drive Circuit (C1257)
DESCRIPTION
The motor relay (semiconductor relay) is built into the hydraulic brake booster
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1257
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL HYDRAULIC BRAKE BOOSTER
(a) Install a new brake booster gasket onto the hydraulic brake booster.
(b) Install the hydraulic brake booster with the 4 nuts.
Torque:
14 N·m {145 kgf·cm, 10 ft·lbf}
(c) Using a union nut wrench, connect the 4 brake l ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
2. CLEAR DTC
(a) Connect the Techstream to the DLC3.
( ...