Prelude Type-SH L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V (1998)
Control Unit: Service and Repair
1. Remove the ECM cover.
2. Remove the ATTS control unit from the ECM cover.
3. Install the ATTS control unit in the reverse order of removal. Make note of the following items.
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Perform the writing of steering angle sensor neutral position.
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Perform the ATTS function test .