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
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Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 2 ANTENNA CORD SUB-ASSEMBLY
(a) Using hot-melt glue, install the No. 2 antenna cord sub-assembly as shown
in the illustration.
2. INSTALL NO. 1 ROOF WIRE (w/ Vanity Light)
(a) w/ EC Mirror:
(1) Align the aiming tape as shown in the illustration.
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Vehicle data recordings
Your Toyota is equipped with several sophisticated computers that will record
certain data, such as: • Engine speed
• Accelerator status
• Brake status
• Vehicle speed
• Shift position (except manual transmission)
The recorded data varies according to the vehicle grade level and opt ...