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MR2 C65M
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Engine Controls - Diagnostics
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DTC P1646: Transmission Control ECU Malfunction*
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Circuit Description
Circuit Description
The transmission control ECU communicates whether its operation is normal or not to the ECM.
Fig 1: DTC Troubleshooting Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002