Diagnostic procedure

WARNING: This page is about a different variant/trim than selected.

DIAGNOSTIC PROCEDURE CHART

STEP	INSPECTION	RESULTS	ACTION
1	VERIFY IF THERE IS SQUEAL, CLICK, OR CHIRP SOUND Is a squealing, click or chirping sound present?	Yes	Inspect the followings: Engine oil level Drive belt tension Splash shield or under cover looseness Solenoid valve installation Auto tensioner bearing damaged Generator installation Repair or replace the malfunctioning part according to the inspection results.
1		No	Go to the next step.
2	VERIFY IF THERE IS RUMBLE OR GRIND SOUND Is a rumbling or grinding noise present?	Yes	Inspect the followings: Drive belt tension Loose parts in engine compartment Power steering fluid level Repair or replace the malfunctioning part according to inspection result. If normal, perform the power steering fluid line air bleeding. (See AIR BLEEDING .)
2		No	Go to the next step.
3	VERIFY IF THERE IS RATTLE SOUND Is a rattling noise present?	Yes	Inspect the rattling location for loose parts. Repair or replace the malfunctioning part according to the inspection results.
3		No	Go to the next step.
4	VERIFY IF THERE IS HISS SOUND Is a hissing noise present?	Yes	Inspect the following: Vacuum leakage Spark plug looseness Intake air system leakage Repair or replace the malfunctioning part according to the inspection results.
4	VERIFY IF THERE IS HISS SOUND Is a hissing noise present?	No	Go to the next step.
5	VERIFY IF THERE IS RAP OR ROAR SOUND Is a rapping or roar noise present?	Yes	Inspect for looseness in the following: Dynamic dumper Intake air system Exhaust system Repair or replace the malfunctioning part according to the inspection results.
5		No	Go to the next step.
6	VERIFY IF THERE IS KNOCK SOUND Is a knocking noise present?	Yes	Go to the symptom troubleshooting "NO. 13 KNOCKING/PINGING-ACCELERATION/CRUISE". (See NO. 13 KNOCKING/PINGING-ACCELERATION/CRUISE .)
6		No	If noise comes from engine internal: Inspect the following: Friction gear Timing chain Tappet noise Valve clearance Variable tumble control system operation Variable valve timing control actuator Repair or replace the malfunctioning part according to the inspection results.
7	Verify test results. If normal, return to diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX .) If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If vehicle is repaired, troubleshooting completed. If vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest