Total of Short Ft and Long Ft values is between and

Total OBD & ECU Auto Diagnostics

TOAD Auto Diagnostics

Get Instant Access

Go to step 12

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (OPERATE OCV)

(a) Connect the intelligent tester to the DLC3.

(b) Start the engine and turn the tester ON.

(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.

(e) Check the engine speed while operating the Oil Control Valve (OCV) using the tester.

OK

Tester Operations

Specified Conditions

OCV OFF

Normal engine speed

OCV ON

Engine idles roughly or stalls (soon after OCV switched from OFF to ON)

Go to step 8

Go to step 8

CHECK PCV HOSE CONNECTIONS

PCV hose is connected correctly and is not damaged.

Go to step 9

CHECK AIR INDUCTION SYSTEM

(a) Check the air induction system for vacuum leakage. OK:

No leakage from air induction system.

Go to step 10

CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

(a) Visually check that the air cleaner filter element is not excessively contaminated with dirt or oil. OK:

Air cleaner filter element is not excessively contaminated with dirt or oil.

Go to step 11

7

REPLACE MASS AIR FLOW METER

NEXT>

Go to step 15

8

CHECK AND REPAIR VVT SYSTEM

nexT>

Go to step 15

9

REPAIR OR REPLACE PCV HOSE

NEXT>

Go to step 15

10

REPAIR OR REPLACE AIR INDUCTION SYSTEM

nexT>

Go to step 15

11

REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

NEXT>

Go to step 15

12

CHECK THROTTLE VALVE

(a) Check for deposits around the throttle valve and throttle valve condition. OK:

No deposits around throttle valve and throttle valve moves smoothly.

Go to step 14

REPLACE ECM

NEXT

Go to step 15

REPAIR OR REPLACE THROTTLE BODY ASSEMBLY

NEXT>

Go to step 15

CHECK WHETHER DTC OUTPUT RECURS (DTC P050A AND/OR P050B)

ljnextj

NOTICE:

In this operation, the engine must be cold (the same level as the engine coolant temperature recorded in the freeze frame data).

(a) Connect the intelligent tester to the DLC3. Turn the ignition switch ON. Turn the tester ON. Clear DTCs (see page ES-35).

Switch the ECM from normal mode to check mode using the tester (see page ES-38). Start the engine to idle for a minute. OK:

Stable fast idling.

Read DTCs.

No DTC output.

DTC

P0516

Battery Temperature Sensor Circuit Low

DTC

P0517

Battery Temperature Sensor Circuit High

Was this article helpful?

0 0
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment