C1417
BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1417: High Power Supply Voltage Malfunction
C1417 - High Power Supply Voltage Malfunction
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU stores this DTC and the fail-safe function prohibits ABS operation.
This DTC is stored when the +BS terminal voltage deviates from the DTC detection condition due to a malfunction in the power supply or charging circuit such as the battery or alternator circuit, etc.
WIRING DIAGRAM
Refer to DTC C1241 C1241.
INSPECTION PROCEDURE
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. CHECK BATTERY
(a) Check the battery voltage.
Standard Voltage:
11 to 14 V
Result:
B -- CHECK OR REPLACE CHARGING SYSTEM COMPONENT OR BATTERY Component Tests and General Diagnostics
C -- CHECK OR REPLACE CHARGING SYSTEM COMPONENT OR BATTERY Component Tests and General Diagnostics
A -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)
(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.
(b) Disconnect the skid control ECU connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
OK -- Continue to next step.
3. RECONFIRM DTC
(a) Reconnect the skid control ECU connector.
(b) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(c) Turn the ignition switch off.
(d) Start the engine.
(e) Perform a road test.
(f) Check if the same DTC is output Reading and Clearing Diagnostic Trouble Codes.
Result:
HINT
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts Problem Symptoms Table.
B -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal
A -- CHECK FOR INTERMITTENT PROBLEMS How To Proceed With Troubleshooting