Garage Door Opener Switch
Parts LocationEngine
General Maintenance
GENERAL MAINTENANCE
CAUTION / NOTICE / HINT
HINT:
Perform these procedures after the engine has cooled down.
PROCEDURE
1. INSPECT DRIVE BELT
Engine Type
See Procedure
2GR-FE
See pag ...
VC Output Circuit
DESCRIPTION
The ECM constantly generates 5 V of power from battery voltage supplied to the
+B (BATT) terminal to operate the microprocessor. The ECM also provides this power
to the sensors through the VC output circuit.
When the VC circuit is short-cir ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect
with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1
trip detection logic, which is more sensitive to malfuncti ...