NOTE When replacing the skid control ECU perform the zero point calibration See Precheck

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NG: Go to next step.

3. Check for open circuit in harness and connector between skid control ECU and stop light switch (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

NG: Repair or replace harness or connector.

OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).

DTC C1251/51: ABS & VSC PUMP MOTOR LOCK CIRCUIT DESCRIPTION

DIAGNOSTIC TROUBLE CODES C1251/51 DETECTING CONDIT]

[ON TROUBLE AREA

DTC No.

DTC Detecting Condition

Trouble Area

C1251 /51

Pump motor does not operate during the initial check.

ABS & VSC pump motor

WIRING DIAGRAM

WIRING DIAGRAM

Skid Control Ecu For 2007 Toyota Prius

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia

Fig. 69: Wiring Diagram - ABS & VSC Pump Motor Lock Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. Check pump motor operation. PREPARATION:

a. Select the item "ABS MOTOR RELAY" in the ACTIVE TEST and operate the ABS motor relay on the TOYOTA hand-held tester.

b. Check the operation sound of the ABS pump motor when operating it with the TOYOTA hand-held tester.

CHECK:

The operation sound of the pump motor should be heard.

OK: Proceed to next circuit inspection shown in problem symptoms chart (See PROBLEM SYMPTOMS TABLE ).

NG: Check and replace ABS & VSC actuator with skid control ECU.

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Responses

  • bellisima
    Where skid control ecu is located in 2007 toyota prius?
    8 years ago
  • betty schneider
    How to change skid control on prius?
    4 years ago
  • saradas
    Where is skid control ECU located 2001 toyota prius?
    3 years ago
  • Astolfo Moretti
    How to check what ecu runs the skid control on a toyota tacoma?
    3 years ago
  • anja fischer
    Where is the skid control ecu located on a 2010 prius?
    9 months ago
  • joshua
    How to replace the skid control ecu in a toyota prius 2008?
    2 months ago

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