2002 Traxter Autoshift XL/XT Shop Manual, Page 286Get this manual
PROBLEM WITH SHIFT SYSTEMDIAGNOSING ELECTRICAL COMPONENTS No Using emergency shift lever, are you able to shift through all gears? Leave in first gear when test complete(May have to move vehicle to obtain shift)Yes Refer to: Annex 2, Problem with hydraulic mechanical shift systemYes Is the shift shaft moving while depressing the shift button? No Check fusesAre fuses burned? No Start DiagnosticCalibration
ModeTasks 3-5
Refer to Shop Manual for diagnostic procedure
Replace
Retry shift, is the problem persisting?
Task 3; Fault codesAre there any Fault codesYes Repair failed partClear codesRetry shiftYes No
Task 4-5-6; GBPS, STPS and TPS (AUTO model) recalibration
Retry shiftIs shift problem persistingYes
Perform T-harness testVerify that lights come on for both shift and clutch solenoidsProcedure AA Did test lights light for up and down shift for all four solenoids? Yes Check for 12 volts going to the solenoidsSolenoids should have 12 volts at all timesCheck both the WHITERED wires in the both pin connectorsWas there battery No voltage? Yes Check for signal from MPEMProcedure BB Was there continuity on all wiresNo Check Multi-function switchWas switch good? No