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Fig. 79: Identifying A17 ECU And A18 Booster Connector Terminals Standard Resistance TESTER CONNECTION SPECIFIED CONDITION TABLE NG: REPAIR OR REPLACE HARNESS OR CONNECTOR OK: REPLACE VSC ACTUATOR ASSEMBLY (See REMOVAL ) DTC C1311/12: OPEN OR SHORT IN BRAKE INHIBIT RELAY CIRCUIT DESCRIPTION The stop light control relays are built into the stop light circuit and prohibits the stop light from turning on under DTC DETECTION CONDITION TABLE Tester Connection Condition Specified Condition A17-17 (BST) - A18-3 (BST) Always Below 1 ohms A17-17 (BST) - Body ground Always 10 kohms or higher A17-31 (BSTP) - A18-4 (BSTP) Always Below 1 ohms A17-31 (BSTP) - Body ground Always 10 kohms or higher DTC Code DTC Detection Condition Trouble Area
2009 Toyota Tundra 2009 BRAKES Brake Control - Tundra
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