Turbo Coupe Technical Articles Turbo Coupe Literature Contact
m1: Service Code 77: System Failed to Recognize Brief WOT
Steps _Rerun Engine Running Self-Test. Be sure operator is familiar with the engine running format which proceeds as follows:

_With Self-Test activated restart the engine
_ID Code 2 (0) start of test
_Dynamic response Code 1 (0) perform brief WOT
_Testing over
_Service code output begins
Result Is Code 77 still present?
Direction YES

Replace processor. Rerun Quick Test


Dynamic Response Test Passed. Service any other service code(s) received as necessary

Notes A brief snap of the throttle may not be sufficient to pass this test. Be sure to go to WOT and return.