3000GT AWD V6-2972cc 3.0L DOHC Turbo (1991)
Continuity
Should not exist.
7. Using an ohm meter check for continuity between ECU harness terminal 22 and ground.
Continuity
Should not exist.
NOTE: If the engine temperature is above approximately 235°F, the coolant temperature switch will open the circuit between the A/C control unit
and the ECU.
If any of the previous tests produce unsatisfactory results, the harness will need to be repaired or replaced. Once repairs have been completed,
confirm that the repair has corrected the problem.
If the trouble returns, it is possible that there is an intermittent failure of the component or the ECU. Check for looseness at all harness junctions and
test for an intermittent failure.
