Ignition timing to BTDC at idle Transmission in neutral

4. Remove the SST from the DLC3. SST 09843-18040

5. Disconnect the timing light from the engine. 2. CHECK ENGINE IDLE SPEED

a. Initial condition.

1. Engine at normal operating temperature

2006 ENGINE Engine Mechanical - Sequoia

Toyota Ignition Timing

Fig. 4: Checking Ignition Timing

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 4: Checking Ignition Timing

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. Air cleaner installed

3. All pipes and hoses of air induction system connected

4. All accessories switched OFF

5. All vacuum lines properly connected

6. SFI system wiring connectors fully plugged

7. Correct ignition timing

8. Transmission in neutral

9. Air conditioning switched OFF

b. Inspect engine idle speed (When using a intelligent tester).

1. Connect a intelligent tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect the CAN VIM to the Date Link Connector 3 (DLC3).

2. Please refer to the intelligent tester operator's manual for further details.

3. Race the engine speed at 2,500 rpm for approx. 90 seconds.

4. Check the idle speed.

Idle speed: 700 +- 50 rpm (Transmission in neutral)

If the idle speed is not as specified, check the air intake system.

2006 ENGINE Engine Mechanical - Sequoia

5. Disconnect the intelligent tester and CAN VIM from the DLC3.

Fig. 5: Connecting CAN VIM To Date Link Connector 3 Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Inspect engine idle speed (When not using a intelligent tester).

1. Using SST, connect the tachometer probe to terminal TAC of the DLC3.

SST 09843-18030

2. Race the engine at 2,500 rpm for approx. 90 seconds.

3. Check the idle speed.

Idle speed: 700 +- 50 rpm (Transmission in neutral)

If the idle speed is not as specified, check the air intake system.

4. Disconnect the tachometer from the DLC3.

2006 ENGINE Engine Mechanical - Sequoia

Sequoia Neutral Off
Fig. 6: Connecting Tachometer Probe To Terminal TAC Of DLC3 Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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