Repair Or Replace Air Injection Control Driver Power Source Circuit

PERFORM ACTIVE TEST USING INTELLIGENT TESTER

Standard Voltage

Start the engine and warm it up.

Turn the ignition switch to OFF.

Connect the intelligent tester to the DLC3.

Turn the ignition switch to ON and turn the tester ON.

Select the following menu items: DIAGNOSIS /

ENHANCED OBD II / SYSTEM CHECK / AIR INJ

CHECK / MANUAL OPERATION / AP: ON, ASV: OPEN

Start the engine after the tester initialization is finished.

Operate the AIR system using the SYSTEM CHECK

function and measure the voltage between the terminals of the ECM connector.

Turn the ignition switch to OFF.

NOTICE:

• Do not perform the SYSTEM CHECK operation repetitively. It may cause damage to the system. If necessary, leave an interval of several minutes between SYSTEM CHECK operations.

• When performing the AIR INJ CHECK operation after the battery cable has been reconnected, wait for 7 minutes with the ignition switch turned to ON or the engine running.

• Turn the ignition switch to OFF when the AIR INJ CHECK operation finishes.

Intelligent Tester Operations

Voltmeter Connections

Specified Conditions

AP: ON, ASV: OPEN

AIRP (E4-11) - E1 (E4-3)

3.5 to 7.5 V

AP: OFF, ASV: CLOSE

AIRP (E4-11) - E1 (E4-3)

10 V or more

AP: ON, ASV: OPEN

AIRV (E4-24) - E1 (E4-3)

3.5 to 7.5 V

AP: OFF, ASV: CLOSE

AIRV (E4-24) - E1 (E4-3)

10 V or more

Go to step 11

REPLACE AIR INJECTION CONTROL DRIVER

NEXT

CHECK WHETHER DTC OUTPUT RECURS (DTC P2440 AND/OR P2441)

(a) Start the engine and warm it up.

(b) Turn the ignition switch to OFF.

(c) Connect the intelligent tester to the DLC3.

(d) Turn the ignition switch to ON and turn the tester ON.

(f) Select the following menu items:

DIAGNOSIS / ENHANCED OBD II / SYSTEM CHECK / AIR INJ CHECK / AUTOMATIC OPERATION.

(g) Start the engine after the tester initialization is finished.

(h) Perform the SYSTEM CHECK operation by pressing ENTER.

(i) After operating the AIR system, press the ENTER button to confirm the AIR system pending codes.

(j) Check PENDING DTCs.

(k) Turn the ignition switch to OFF. OK:

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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