Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Work Procedure
- Use "Manual Configuration" only when "TYPE ID" of steering angle main control module cannot be read.
- If an error occurs during configuration, start over from the beginning.
- When off-center is bigger than 120 deg., refer to Diagnosis Procedure to correct off-center before performing the work.
- CHECKING TYPE ID (1)
Use FAST (service parts catalogue) to search steering angle main control module of the applicable vehicle and find "Type ID".
Is "Type ID" displayed?
YES
Print out "Type ID" and GO TO 2.
NO
"Configuration" is not required for steering angle main control module. Replace in the usual manner. Refer to Removal and Installation .
- CHECKING TYPE ID (2)
CONSULT Configuration
- Select "Before Replace ECU" of "Read/Write Configuration".
- Check that "Type ID" is displayed on the CONSULT screen.
Is "Type ID" displayed?
YES
GO TO 3.
NO
GO TO 7.
- VERIFYING TYPE ID (1)
Compare a "Type ID" displayed on the CONSULT screen with the one searched by using FAST (service parts catalogue) to check that these "Type ID" agree with each other.
NOTE: For the "Type ID" searched by using FAST (service parts catalog), use the last five digits of the "Type ID".GO TO 4.
- SAVING TYPE ID
Save "Type ID" on CONSULT.
GO TO 5.
- REPLACING STEERING ANGLE MAIN CONTROL MODULE (1)
Replace steering angle main control module. Refer to Removal and Installation .
CAUTION: Replace the control module only when necessary.GO TO 6.
- WRITING (AUTOMATIC WRITING)
- Select "After Replace ECU" of "Re/programming, Configuration" or that of "Read / Write Configuration".
- Select the "Type ID" agreeing with the one stored on CONSULT and the one searched by using FAST (service parts catalogue) to write the "Type ID" into the steering angle main control module.NOTE: For the "Type ID" searched by using FAST (service parts catalog), use the last five digits of the "Type ID".
GO TO 8.
- WRITING (MANUAL WRITING)
- Select "Manual Configuration".
- Select the "Type ID" searched by using FAST (service parts catalogue) to write the "Type ID" into the steering angle main control module.NOTE: For the "Type ID" searched by using FAST (service parts catalog), use the last five digits of the "Type ID".
GO TO 8.
- VERIFYING TYPE ID (2)
Compare "Type ID" written into the steering angle main control module with the one searched by using FAST (service parts catalogue) to check that these "Type ID" agree with each other.
NOTE: For the "Type ID" searched by using FAST (service parts catalog), use the last five digits of the "Type ID".Work End.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.