Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000ZY3K |
Model Year Start: 2017 |
Model: Sienna |
Prod Date Range: [08/2016 -
] |
Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1581; Assist Map Number Un-Writing; 2017 - 2020 MY Sienna [08/2016 - ] |
DTC
|
C1581
|
Assist Map Number Un-Writing
|
DESCRIPTION
When a map is not recorded in the steering column assembly (power steering ECU), then this DTC is stored.
DTC No.
|
DTC Detection Condition
|
Trouble Area
|
C1581
|
Assist map not written in power steering ECU
|
-
Assist map is not written
-
CAN communication system
-
SFI system
-
Vehicle stability control system
-
Steering column assembly
|
CAUTION / NOTICE / HINT
NOTICE:
When the steering column assembly is replaced, perform the assist map writing (See page
).
PROCEDURE
1.
|
PERFORM ASSIST MAP WRITING
|
(a) Perform the assist map writing (See page
).
NEXT
|
|
|
(a) Check for DTCs (See page
).
Result
Result
|
Proceed to
|
DTC C1581 is not output
|
A
|
DTC C1581 is output
|
B
|
A |
|
END
|
B
|
|
|
3.
|
CHECK CAN COMMUNICATION SYSTEM
|
(a) Check for DTCs of the CAN communication system (See page
).
Result
Result
|
Proceed to
|
DTCs are not output
|
A
|
DTCs are output
|
B
|
B |
|
GO TO CAN COMMUNICATION SYSTEM
(See page
)
|
A
|
|
|
(a) Check that the correct ECM is installed.
OK:
The correct ECM is installed.
OK
|
|
|
(a) Check for DTCs of the SFI system (See page
).
Result
Result
|
Proceed to
|
DTCs are not output
|
A
|
DTCs are output
|
B
|
A
|
|
|
6.
|
CHECK BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)
|
(a) Check that the correct brake actuator assembly (skid control ECU) is installed.
OK:
The correct brake actuator assembly (skid control ECU) is installed.
NG |
|
REPLACE BRAKE ACTUATOR ASSEMBLY
(See page
)
|
OK
|
|
|
7.
|
CHECK VEHICLE STABILITY CONTROL SYSTEM
|
(a) Check the vehicle stability control system (See page
).
Result
Result
|
Proceed to
|
DTCs are not output
|
A
|
DTCs are output
|
B
|
B |
|
GO TO VEHICLE STABILITY CONTROL SYSTEM
(See page
)
|
|