System Check

HINT:

Performing a SYSTEM CHECK enables the system, which consists of multiple actuators, to be operated without removing any parts. In addition, it can show whether or not any DTCs are set, and can detect potential malfunctions in the system. The SYSTEM CHECK can be performed with the intelligent tester.

a. Connect the intelligent tester to the DLC3.

b. Turn the ignition switch ON.

c. Turn the tester ON.

2007 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Sequoia d. Enter the following menus: DIAGNOSIS / ENHANCED OBD II / SYSTEM CHECK.

e. Perform the SYSTEM CHECK by referring to the table below.

SYSTEM CHECK REFERENCE CH

[ART

Tester Display

Test Part

Control Range

Diagnostic Note

EVAP SYS

CHECK

(AUTOMATIC)

Perform 5 steps in order to operate EVAP key-off monitor automatically

-

• If no DTCs in PENDING CODES menu after performing this test, system functioning normally

• Refer to EVAP INSPECTION PROCEDURE

• Recommended fuel temperature 35° C (95°F) or less

EVAP SYS

CHECK

(MANUAL)

Perform 5 steps in order to operate EVAP key-off monitor manually

-

• Used to detect malfunctioning parts

• Refer to EVAP INSPECTION PROCEDURE

• Recommended fuel temperature 35° C (95°F) or less

AIR INJ CHECK (AUTOMATIC)

Perform 6 steps in order to operate air injection system automatically

-

• If no DTCs in PENDING CODES menu after performing this test, system functioning normally

Al INJ CHECK (MANUAL)

Perform 8 operations in order to operate air injection system monitor manually

-

• Used to detect malfunctioning parts

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