How to repair room lamp blinked on Hyundai Grandeur (XG)

How to repair room lamp blinked on Hyundai Grandeur (XG)

Auto repair and Study guide aims to give you tips on your car trouble

 

Model: Hyundai Grandeur (XG)

Year Model: 2003

Fuel: Gasoline

Displacement: 3000cc

1) Condition

1. The room lamp blinks when the all doors are closed.(Auto repair and Study guide
2. The room lamp does not blink when the switch is turned “off”(Above symptom is happen in door condition)

2) Cause

1. Poor contact of the passenger compartment junction block connector.

3) Auto repair and Study guide Diagnosis

1. Check for a short circuit between # 1 terminal and vehicle body after disconnecting M89 connector using ohm meter.
   = When checking with the wire shaken, the resistance value changes -0Ohms~29 m ohms
2. Disconnect the I/P- M connector in passenger compartment junction block
   = The resistance value changes when shaking the wire.
3. Perform the driving test after connecting jump wire between M89 connector and I/P-M connector =Normal

4) Auto repair and Study guide

1. Inspect wire
   =A short circuit between the wire and the body that is apart 15cm from the passenger compartment junction block.

 

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How to check oil temperature sensor(OTS)

Study tips How to check oil temperature sensor(OTS)

Model: Hyundai Azera (TG)

Year Model: 2009

Fuel: Gasoline

Displacement:3300cc

This Hyundai Study tips  it can also use in Kia V6 engine because they are the same,and also it adapt to the other auto mobile brand,Study tips the principles has the one concept only they different in name.

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Study tips 2009  G 3.8 DOHC  CVVT Oil Temperature Sensor (OTS)
 

Study tips DESCRIPTION

Study tips Continuously Variable Valve Timing (CVVT) system controls valve overlap by forcibly activating the camshaft and adjusts EGR (Exhaust Gas Recirculation) amount. Study tips It decreases exhaust gas (NOx, HC) and improves fuel economy, idle state, torque in low speed and power in high speed.Study tips This system uses engine oil pressure and consists of the two CVVT Oil Control Valves (OCV) in each bank which supplies oil to cam phaser according to PWM (Pulse With Modulator) signal of the PCM, a CVVT Oil Temperature Sensor (OTS) which detects the oil temperature and a cam phaser which is installed on the end of the camshaft and converts camshaft phase.Study tips The oil getting out of the CVVT oil control valve flows into the cam phaser and rotates the rotor inside camphaser.Study tips At this time, the camshaft rotates with the rotor and the cam phase is changed.

1.Study tips When camshaft rotates engine rotation-wise: Intake-Advance / Exhaust-Retard

2.Study tips When camshaft rotates counter engine rotation-wise: Intake- Retard / Exhaust- Advance

SPECIFICATION

Temperature                                                                                  Resistance

*C                                             *F

-20                                         -4                                                    16.52 kilo ohms

20                                           32                                                    2.45      “

80                                           176                                                  .29        “

 

Study tips SCHEMATIC DIAGRAM

 

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How to repair the engine hesitation.

How to repair the engine hesitation.

Model: Hyundai Granduer (XG)

Year Model: 2003

Fuel: Gasoline

Displacement: 3000cc

Subject: Engine Hesitation.

 

1)Condition

1. Engine hesitation when restarting the engine after parking for 20-30 minutes.

2) Cause

1. Improper adjustment to TPS(Throttle Position Sensor)

3) Diagnosis

1. Scan tool check
   =Diagnostic trouble code not found.
2. Check the throttle position sensor
   = Abnormal Value
   = Throttle position sensor value is 638mv(Normal:500mv at Idle).
   =After adjusting TPS, the symptom disappears.

4) Repair Parts

1. Adjust the TPS.
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How to repair the engine cranking but not start.

How to repair the engine cranking but not start.

 

Model: Hyundai Genesis (HB)

Year Model: 2009

Fuel: Gasoline

Displacement: 4600cc

Subject: Engine cranking but not starting.

 

1) Condition

1. Engine cranking but not starting.

2) Cause

1. Due to fuel pump O-ring misassembling to the right position.

3) Diagnosis

1. Scan tool check
   = No trouble found.
2. Actuation test throu GDS
   =Spark from ignition coil = OK
   = Fuel pump too low fuel pressure = Bad 
3. Check and pull out the fuel pump assembly.
   = The O-ring from the pump misassembling to the right position.

4) Parts Replace

1. Replace Oring.

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How to Repair the Automatic Transmission Not Shifting

How to repair the automatic transmission not shifting.

Model: Centennial LZ

Year Model: 2006

Fuel: Gasoline

Displacement: 3500cc

Subject: Automatic Transmission not shifting.

1) Condition

1. Automatic transmission moving on drive position.
2. excessive shock shifting in reverse position.

2) Cause

1. Trans axle Switch.

3) Diagnosis

1. Scan tool check
   = P0705 Transaxle range switch.
   
   The TCM monitors this voltage,which corresponds to the position of the transaxle gear shift lever to determine desired gear and electronic pressure control pressure. The transaxle range switch is located on the top of the transaxle ,and also contains the neutral/start circuit.
2. Check the transaxle range switch service data
   a) connect G_Scan to data link connector.
   b) Check the transaxle range switch output when at its position.
   NO or YES=Problem is intermittent check the transaxle control cable.
     |
   V
3. Check the transaxle range switch connector.
   a)Turn the ignition switch off and disconnect the transaxle range switch connector.
   b) Check that the transaxle range switch connector for loosed, poor connection,bent ,corrosion,contamination, deterioration or damage.
   YES  or NO= repair or replace as necessary.
     |
   V
4. Check the transaxle range switch continuity
   1) Disconnect the transaxle range switch connector.
   2) Check for continuity between terminal 3 and terminal 8,9,10 when the shift lever position “ P”
   3) Check for continuity between terminal 7 and terminal 8when set the shift lever position to “R”
   4) Check the continuity between terminal 4 and terminal 8,9,10 When set the shift lever position “N:
   5) Check for continuity between terminal 1 and terminal 8 when set the shift lever position “D”
   6) Check for the continuity between terminal 5 and terminal 8 when set the shift lever position ‘3’.
   7) Check for continuity between terminal 2 and terminal 8  when the shift lever position 2.
   8) Check for continuity between terminal6 and 8 when set the shift lever position L
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How to Repair the Heater Blows Cold Air when Warm Air is Expected.

How to repair the heater blows cold when warm air is expected.

 

Model: Hyundai Azera (TG)

Year Model: 2007

Fuel : Gasoline

Displacement: 2700cc

Subject: Heater aspirator hose(heating problem).

1) Condition

1. The HVAC(Heating Ventilation and Air-conditioning) unit blows cold air when warm/hot air is expected.

2) Cause

1. The linked aspirator hose is placed behind the the control panel.
2. The kink in the aspirator hose prevents the in car sensor to detect the cabin air temperature accurately.

3) Diagnosis

1. Remove the center facia  panel and audio.
2. Inspect the aspirator hose condition.
   = If the aspirator is kinked or is not clamped by the weld clip, route the hose properly and clamp the hose with the weld clip then install all removed components
   = If the aspirator hose is kinked permanently replace the hose properly.
3. Removed the heater control panel.
4. Install the new aspirator hose and then clamp the aspirator hose using the weld clip.
5. Reinstall all removed components and check the heater for proper operation

4) Repair Guides

1. Inspect the aspirator hose condition and replace the hose properly.

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How to Repair Poor Operation of Speed Meter Gauge

How to repair poor operation of speed meter.

 

Model: Hyundai Grandeur (XG)

Year Model: 2004b

Fuel: Gasoline

Displacement: 3000cc

Subject: Poor operation of speed meter gauge.

1) Condition

1. Speed meter gauge does not operate(Not related to drive speed).

2) Cause

1. The connector pin is pushed during when connecting the VSS signal to install a navigation system.

3) Diagnosis

1. When performing driving test , speed signal is inputted in G-Scan:Normal
   = Vehicle speed sensor: Normal,ECU signal input line: Normal.
2. Actuate the speed meter by force using VSS mode in G-Scan simulator.
   = No change of speed gauge.
3. Inspect the VSS signal of connector after removing the instrument cluster in inspection #2 condition: No signal.
4. When checking the VSS(Vehicle Speed Sensor) signal input wiring a pushed connector wiring is found that connects with passenger compartment junction box.

4) Repair Parts or Replace.

1. Replace the connector pin

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How to Check if Air bag Warning Light On

How to check if airbag warning light on always.
What may be the cause of airbag indicator light on always.

Model: Hyundai Azera

Year Model: 2009

Fuel: Gasoline

Displacement: 3300cc

1) Condition

1. Esp/Airbag warning light is “On” when driving.

2) Cause

1. Internal fault of steering angle sensor.

3) Diagnosis

1. Scan tool check.
   = Trouble code ( C1260 – Steering Angle Sensor Signal.
   =General Description.
   =The steering angle sensor (SAS) joined to the multifunction switch and using a CAN communication.The SAS is composed of main gear,serve gear 1 and serve gear 2 to determine the turning direction. If main gear is rotated according to the rotation of the steering wheel gear serve 1 serve gear 2, which is contact with main gear, will be rotated.
   =The HECU detects the absolute angle by using magnetic MR effects and the different gear ratio of each serve gear and then send to the  CAN communication line.
   =The HECU detects the steering wheel’s operating wheel speed and operating wheel angle by using absolute angle , and this signal is used as input signal of anti-roll control.
   = If the SAS signal is different from calculated value by Yaw-rate sensor and wheel speed sensor,mechanically impossible  SAS signal is detected , there is a different between SAS signal and driving condition of the vehicle calculated from the Yaw-rate sensor and later G-sensor , a failure is detected.
2. Possible cause.Short of steering angle sensor,Faulty steering angle sensor,Faulty HECU.
3. Current data monitoring
   Steering angle sensor ( 0 ) degrees always.
4. Replace Steering angle sensor. then calibrate with GDS or G-Scan.
   =the problem disappeared.

4) Repair Guides

• Replace with new Steering angle sensor.

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How to check fuel smell occurs inside the car.

How to check fuel smell occurs inside the car at the same time engine hesitation and rough idling in hot condition.

Model : Hyundai Azera (TG)

Year Model: 2008

Fuel : Gasoline

Displacement: 3300cc

Subject: Fuel smell occurs inside the car and engine hesitation and rough idling in hot condition.

1) Condition

1. Fuel smell occurs inside the car during hot condition.
2. Engine hesitation occurs when acceleration in hot condition.

 2) Cause

1. Due to purge control solenoid valve malfunctioning.

3) Diagnosis

1. Scan tool check = fail safe throttle body & oxygen sensor.
2. Check current data for purge control solenoid valve= Not working
3. Manually check if the purge valve is working or not.
   = hold the purge and accelerate, you can feel if its working.

4) Repair Guides

• Replace purge control valve
• More study

How To Diagnose Engine Poor Acceleration.

HYUNDAI AZERA,This case probably occurs to the car due to human error.Car car was engine overhaul last to months. Due to engine overheating Radiator fan not working we found out that has an accident at the front and the fan module damage. it is not covered by warranty, we make total estimate for all the damage, after finish the owner take his car. then after two months again come and the problem is poor acceleration.
Model: Hyundai Azera
Year Model: 2009
Mileage: 40715km
Fuel: Gasoline
Displacement: 2700cc
T/A : Auto
Subject: Engine suddenly  poor acceleration – Engine compartment Junction box.
1) Condition:

1. Suddenly engine poor acceleration.
2. Engine excessive vibration.

2) Cause:

1. internal engine compartment fuse box.

3) Diagnosis:

1. Scan tool check
   = Fail safe ( limp home of throttle body, oxygen sensor, Oil control valve, Camshaft position sensor.)
2. Visually Check up
   = lift up the car by lifter to check if there is a damage. Front damage due to accident. and fix from outside workshop but some front harness wire dislocation from the original position.
3. Check the engine compartment fuse box if damage only  scratch.
4. pull out and check the wire connector – Ok
5. Re-fixed again the engine fuse box then connect the GDS(Global Diagnostic System) the trouble code is different from the first trouble code.
6. So replace the engine fuse box with good fuse box then start.
7. The problem disappeared.

4) Repair Guide

1. Replace engine compartment fuse box.

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Hyundai Cars Elantra

How to Fix a Engine RPM Up and Down?

Model: Hyundai Grandeur

Year Model: 2001

Displacement: 3000cc

Fuel : Gasoline

T/A : Auto

Subject: RPM Up and Down on Stop Light When the Engine is in Hot Condition.

1) Condition

1. RPM Up and Down on Stop Light When The Engine is in Hot Condition.
2. Cut on Engine Idling.

2) Cause

1. Due to the EGR hose leaking.
2. Failure sensor malfunctioning.

3) Diagnosis

1. Check Scan tool
   =Trouble Code (P1191 & P1193 = Related on Throttle Body)
   In relation to the trouble code.
   1) Ignition system.
   2) Fuel System.
   3) Air leaking.
   4) Poor contact of socket pin and terminals.
2. Check by road testing to confirm the problem = Confirmed
3. Check the Spark plug and High tension wire = OK
4. Check for fuel pressure with Gauge = OK
5. Check and repair vacuum hose from EGR = OK
6. Clean all wiring terminal from engine = Ok
   = Test again but the problem still occurs.
7. Check for current data
   = Engine RPM very low reading.
   = Air and Fuel mixture out of Specification.
8. Check for wiring diagram of MFI.
   = failure sensor is connected to the tachometer.
   Check the terminal wiring = current OK
9. Check with good failure sensor and Adjust the RPM to the TPS and Acceleration position sensor. then road test = the problem disappear.

4) Repair Guides

Replace Failure sensor.

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