ASSIST MAP WRITING (USING THE GTS)
Note
Perform assist map writing if the following condition occurs:
The power steering ECU assembly has been replaced.
Turn the power switch off.
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Chassis / EMPS / Utility / Signal Check.
| Tester Display |
|---|
| Signal Check |
Tech Tips
Follow the instructions on the GTS to perform Signal Check.
With DTC C1581/26 output, performing Signal Check will cause the power steering ECU assembly to enter Test Mode and the assist map will be written automatically.
Wait for 5 seconds or more.
Check for DTCs.
Tech Tips
After writing the assist map, if DTC C1581/26 is output, perform the troubleshooting procedure for DTC C1581/26.
ASSIST MAP WRITING (USING SST CHECK WIRE)
Note
Perform assist map writing if the following condition occurs:
The power steering ECU assembly has been replaced.
| *1 | DLC3 |
Turn the power switch off.
Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.
Note
Connect the terminals correctly to avoid a malfunction.
Turn the power switch on (IG).
Wait for 5 seconds or more.
Check for DTCs.
Tech Tips
After writing the assist map, if DTC C1581/26 is output, perform the troubleshooting procedure for DTC C1581/26.