PRECAUTION
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT
(a) Perform the zero point calibration and sensitivity check if any of the following
conditions apply.
The occupant dete ...
Related Tacoma materials
Power 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
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL CLEARANCE
(a) Using a micrometer and caliper gauge, measure the oil seal clearance.
Text in Illustration
*1
Pulley Shaft
*2
Front Vane Pump Housing
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL FUEL SUCTION TUBE SET GASKET
(a) Ensure gasket groove is clean and free of foreign particles.
(b) Install a new gasket onto the fuel tank.
(c) Make sure that the gasket sits in the groove.
2. INSTALL FUEL SU ...
Precaution