Dtc C1417 High Power Supply Voltage Malfunction

Brake. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT BATTERY

CHECK HARNESS AND CONNECTOR (IG1 TERMINAL)

RECONFIRM DTC

DTC C1417 High Power Supply Voltage Malfunction


DESCRIPTION

Refer to DTC C1241 (YARIS_NCP93 RM000000XW60BIX_01.html).

DTC NO.
DTC Detection Condition
Trouble Area
C1417
The IG1 terminal voltage is more than 17.4 V for 0.8 seconds or more.
  1. Battery
  2. Charging system
  3. Harness or connector
  4. Brake actuator assembly (skid control ECU)

WIRING DIAGRAM

Refer to DTC C1241 (YARIS_NCP93 RM000000XW60BIX.html).

INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.INSPECT BATTERY
  1. Inspect the battery voltage.

    Standard Voltage:
    11 to 14 V


NG
CHECK OR REPLACE CHARGING SYSTEM OR BATTERY (YARIS_NCP93 RM000001E2J01FX.html)
OK


2.CHECK HARNESS AND CONNECTOR (IG1 TERMINAL)


    Yaris. Ncp93, 131.Brake Control Dynamic Control Systems.Anti-Lock Brake System (For Sedan).
Dtc
  C1417  High Power Supply Voltage Malfunction
  1. Turn the ignition switch off.

  1. Make sure that there is no looseness at the locking part and the connecting part of the connectors.

  1. Disconnect the A15 brake actuator assembly (skid control ECU) connector.

  1. Check the connector case and terminals for deformation and corrosion.

    OK:
    No deformation or corrosion.
  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    Switch Condition
    Specified Condition
    A15-34 (IG1) - Body ground
    Ignition switch ON
    11 to 14 V
    Text in Illustration
    *a
    Front view of wire harness connector
    (to Brake Actuator Assembly (Skid Control ECU))
    HINT:
    If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (YARIS_NCP93 RM000000XHN0AWX.html).
  1. Reconnect the A15 brake actuator assembly (skid control ECU) connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT)
OK


3.RECONFIRM DTC
  1. Clear the DTCs (YARIS_NCP93 RM000000XHV0BPX.html).

  1. Check if the same DTC is recorded (YARIS_NCP93 RM000000XHV0BPX.html).

    Result
    Result
    Proceed to
    DTC (C1417) is not output
    A
    DTC (C1417) is output
    B
HINT:
If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (YARIS_NCP93 RM000000XHN0AWX.html).


B
REPLACE BRAKE ACTUATOR ASSEMBLY (YARIS_NCP93 RM000001BXP02FX.html)
A

CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) (YARIS_NCP93 RM000000UZ309WX.html)