Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM1000000018WRE |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 -
] |
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: C1A01; Driving Support ECU; 2018 - 2020 MY Sienna [11/2017 - ] |
DTC
|
C1A01
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Driving Support ECU
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DESCRIPTION
This DTC indicates an internal malfunction of the driving support ECU assembly.
DTC No.
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DTC Detection Condition
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Trouble Area
|
MIL
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C1A01
|
When the ignition switch is ON and the dynamic radar cruise control system is operating, the driving support ECU assembly detects an internal malfunction for approximately 0.2 seconds or more.
|
Driving support ECU assembly
|
Does not come on
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CAUTION / NOTICE / HINT
NOTICE:
When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored.
PROCEDURE
1.
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CHECK DTC (RADAR CRUISE 2)
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(a) Clear the DTCs.
Click here
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the following conditions are not met, the system cannot detect the malfunction.
-
Turn the ignition switch to ON.
-
Turn the dynamic radar cruise control system on using the cruise control main switch (ON-OFF button).
-
Wait for 1 second or more.
(c) Check for DTCs.
Click here
Result
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Proceed to
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DTC C1A01 is not output
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A
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DTC C1A01 is output
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B
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|