Idle Speed: Testing and Inspection

2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Testing and Inspection
INSPECT ENGINE IDLE SPEED
(a) Warm up the engine.





(b) When using the intelligent tester:
Check the idle speed.
(1) Connect the intelligent tester to the DLC3.
(2) Enter DATA LIST MODE on the intelligent tester.
Idle speed:
650 to 750 rpm

NOTICE:
^ When checking the idle speed, the transmission should be in neutral.
^ Check the idle speed with the cooling fan off.
^ Switch off all accessories and air conditioning before connecting the intelligent tester.

HINT: Refer to the intelligent tester operator's manual for further details.





(c) When not using the intelligent tester:
Check the idle speed.
(1) Using SST, connect tachometer tester probe to terminal 9 (TAC) of the DLC3.
SST 09843-18030
(2) Check the idle speed.
Idle speed:
650 to 750 rpm
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.