Disconnect the throttle sensor setting adapter [A] from the connector of the main harness side.
Special Tool - Throttle Sensor Setting Adapter: 57001 -1538
Connect the setting adapter [B] to the sensor connector only.
Connect a digital meter [A] to the setting adapter [B].
Main Throttle Sensor [C]
Main Throttle Sensor Resistance
Connections to Adapter:
W (sensor BL) lead ← → BK (sensor BR/BK) lead
Standard: 4
6 kΩ
If the reading is out of the standard, replace the throttle body assy.
If the reading is within the standard, check the output voltage (see Main Throttle Sensor Output Voltage Inspection).
Main Throttle Sensor Input Voltage Inspection
Main Throttle Sensor Output Voltage InspectionBolts, Nuts and Fasteners Tightness Inspection
Check the tightness of the bolts and nuts listed here. Also,
check to see that each cotter pin is in place and in good
condition.
NOTE
For the engine fasteners, check the tightness of them
when the engine is cold (at room temperature).
If there are loose fasteners, retighten them to ...
Air Cleaner Element Replacement
NOTE
In dusty areas, the element should be replaced more
frequently than the recommended interval.
WARNINGIf dirt or dust is allowed to pass through
into the
throttle body assy, the throttle may become stuck,
possibly causing accident. Replace the air cleaner
element according ...
Thermostat Removal
Remove:
Fuel Tank (see Fuel Tank Removal in the Fuel System
(DFI) chapter)
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Throttle Body Assy (see Throttle Body Assy Removal in
the Fuel System (DFI) chapter)
Throttle Body Assy Holder Clamp [A]
...