Symptom diagnosis

Noise, vibration and harshness (NVH) Troubleshooting NVH troubleshooting Chart 1. Locate the area where noise occurs. 2. Confirm the type of noise. 3. Specify the operating condition of engine. ...

Drive belt

Checking • Inspection should be done only when engine is cold or over 30 minutes after the engine is stopped. 1 : Alternator 2 : Water pump 3 : Crankshaft pulley 4 : A/C compressor 5 : Idler p ...

Other materials:

Fog light switch (if so equipped)
To turn the fog lights on, turn the headlight switch to the position, then turn the switch to the position. To turn them off, turn the switch to the OFF position. The headlights must be on for the fog lights to operate. When the headlight switch is in the AUTO position, turning the fog lig ...

P1642 thermoplunger control unit
DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK THERMOPLUNGER CONTROL UNIT POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect thermoplunger control unit harness connector. 3. Check the voltage between thermoplunger control unit harness connector and ground. Is the ...

Squeak and rattle trouble diagnoses
Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any of customer's comments; refer to DLK-553, &quo ...