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Home >> Toyota >> 2004 >> Tundra Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 471 (Brakes - Abs With EBD & BA & TRAC & VSC (Diagnostics)) >> Abs With EBD & BA & TRAC & VSC System >> Circuit Inspection >> DTC C0226/21, C0236/22, C0246/23, C0256/24: Open or Short Circuit in Hydraulic Brake Booster Solenoid Circuit (SFR/SFL/SRR/SRL Circuit) >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

This solenoid turns on when signals are received from the master cylinder solenoid (skid control ECU) and controls the pressure acting on the wheel cylinders, thus controlling braking force.

Fig 1: DTC - Trouble Detection Chart
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