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PDF AX4S1 Download: AX4S1 Identification, Diagnosis And Testing
AX4S - Are They Really That Tough? Book 1, authored by Lance Wiggins for the Automatic Transmission Rebuilders Association (ATRA), is a technical diagnostic manual for the Ford AX4S transaxle. Published in 2004, this first volume focuses on identification, diagnosis, and testing.
The guide provides specialized content, including EEC-IV and EEC-V computer system diagnostics, detailed Diagnostic Trouble Code (DTC) definitions, and electrical system mapping. It features instructional procedures for building a signal monitor and for performing electrical tests on sensors such as the TPS, IAT, and VSS. Comprehensive hydraulic circuit identification and check ball locations are also included to assist professional technicians.