Fuel Cut Rpm: Inspection

Warm up the engine to the normal operating temperature.

1. Connect the hand-held tester or OBD II scan tool to the DLC3.
   Fig 1: Connecting Hand-Held Tester To DLC3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   • Select the item "DIAGNOSIS/ENHANCED OBD II/DATA LIST/ALL/FC IDL".
   • Please refer to the hand-held tester or OBD II scan tool operator's manual for further details.

1. Increase the engine speed to at least 3,000 RPM.
2. Use a sound scope to check for the injector operating noise.
Fig 2: Using Sound Scope To Check For Injector Operating Noise
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. When the accelerator pedal is released, injector operation sounds stop momentarily and then resumes.

   HINT:

   Measure with the A/C OFF.

   Standard: 

   RPM SPECIFIED CONDITION
   
   

   Item	Specified Condition
   Fuel cutoff RPM	1,050 to 1,150 RPM (M/T), 1,350 to 1,450 RPM (A/T)
   Fuel injector restart RPM	850 to 950 RPM (M/T), 1,050 to 1,150 RPM (A/T)

   If the result is not as specified, check for DTCs. If a DTC is present, follow the repair procedures according to the DTC.