- ECU-IG1 NO.1 fuse
- Battery
- Charging system
- Power source circuit
- Internal power supply circuit of the skid control ECU
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM10000000104II |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - 11/2017] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1417; High Power Supply Voltage Malfunction; 2017 MY Sienna [08/2016 - 11/2017] | ||
|
DTC |
C1417 |
High Power Supply Voltage Malfunction |
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU (housed in the actuator assembly) stores this DTC and the fail safe function prohibits ABS operation.
This DTC is stored when the IG1 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.
The DTC is cleared when the IG1 terminal voltage returns to normal.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1417 |
The IG1 terminal voltage is 17.4 V or more for 1 second or more. |
|
WIRING DIAGRAM
Refer to DTC C1241 (See page
![2017 MY Sienna [08/2016 - 11/2017]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1241; Low Power Supply Voltage Malfunction](/t3Portal/stylegraphics/info.gif)
).
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the brake actuator assembly, perform zero point calibration and store system information (See page
).
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
INSPECT BATTERY |
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
| NG |
|
|
|
2. |
INSPECT SKID CONTROL ECU (IG1 TERMINAL) |
|
(a) Make sure that there is no looseness at the locking part and the connecting part of the connectors. |
|
(b) Disconnect the skid control ECU connector.
(c) Turn the ignition switch to ON.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
A4-34 (IG1) - Body ground |
Ignition switch ON |
11 to 14 V |
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step (See page
).
Text in Illustration
|
*a |
Front view of wire harness connector (to Skid Control ECU) |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT) |
|
|