Toyota Chaser GX100 E/G Stall

1997 Toyota Chaser GX100 Engine Model 1G-FE

Situation
The engine stalled at an idle.
Though it could start.

Cause
Faulty ISCV.

Maintenance
Diagnosis was properly.
I took off ISCV and cleaned it. but it stalled.
Internal resistance of ISCV was properly too.
I electrify a new ISCV  and confirm working.
It worked properly.

Toyota Land Cruiser HDJ81V AT Lamp Lit

1992 Toyota Landcruiser HDJ81V Engine Model 1HD

Situation
AT warning lamp illuminated.
The car did not run smoothly when it started.

Cause
Faulty transmission solenoid No1

Maintenance
The car did not shift gears other than in third by fail safe system.
Diagnosis noticed cord62 that meant transmission solenoid No1 system.
I checked resistance of the solenoid .
It was out of average level.(Average level 13+-3ohm).

Toyota Hiace LH113V E/G Difficult to Start

Toyota Hiace LH113V Engine Model 3L

Situation
The engine was difficult to start when it was cold.

Cause
Faulty water sensor for controlled glow plug system.

Toyota Land Cruiser KZJ78W E/G Not Start

1993 Toyota Landcruiser KZJ78W Engine Model 1KZ-TE

Situation
The engine rotated but didn't start.
E/G warning lamp did not illuminate when ignition switch turn on.

Cause
Faulty ECU (engine cotrol unit)

Maintenance
There were not any disconnecting wire, electrical shorts and faulty of electrical source and ground.
Then I judged that ECU was faulty and changed new one.

Toyota Progres JCG10 Hunting When A/C Turn on

1999 Toyota Progres JCG10 Auto Air conditioner

Situation
The engine idled erratically with hunting when I put on air conditioner.

Cause
Faulty air compressor.

Maintenance
The A/C lamp was blinking after idling with hunting for a while.
Then the car idled properly.
So I judged that air compressor was locked and checked it.
I confirmed the compressor was locked , and chaged rebuilt air compressor.

Toyota Noah SR40G E/G Check Lamp Lit

2000 Toyota Townace Noah SR40G Engine Model 3S

Situation
Engine check lamp illuminated.
The car run smoothly.

Cauce
Disconnecting of heater wire in the O2 sensor.

Maintenance
Diagnosis noticed cord P0135 that meant disconnecting of heater wire in O2 sensor.
Then I did continuity test of O2 sensor heater circuit and found disconnecting it.
After that I changed new O2 sensor.

Mazda Demio DY3W E/G Check Lamp Lit

2005 Mazda Demio DY3W Engine Model ZJ-VE

Situation
Engine Check Lamp illuminted.
The car run smoothly.

Cause
Faulty O2 sensor

Maintenance
Diagnosis noticed cord P0031that meant faulty of O2 sensor system.
Then I changed new O2 sensor.

Toyota Funcargo NCP20 Not Shift in Fourth

1999 Toyota Funcargo NCP20 Engine Model 1NZ-FE

Situation
The car couldn't be put the gear in fourth.

Cause
Faulty oil temperature sensor.

Maintenance
Diagnosis noticed cord38 P0710 that meant oil temperature system.
Then I took off it and checked resistance.
There was disconnecting of wire.
I changed new oil temperature sensor.

Toyota Ipsum SXM10G A/C Compressor OFF

1997 Toyota Ipsum SXM10G Engine Model 3S-FE

Situation
After turning on A/C switch, A/C indicator lamp blinked and turning off A/C compressor.

Cause
Faulty A/C compressor lock sensor

Maintenance
When I checked the A/C compressor lock switch, I found that the sensor had been breaking of wire.
Then I rapaired it to soler .
It worked properly.

Toyota Mark2 GX100 E/G Hesitate

1998 Toyota Mark2 GX100 Engine Model 1G-FE VVT

Situation
Engine hesitated on acceleration and idled erratically.

Cause
Faulty OCV

Maintenance
Diagnosis noticed P1349 that meant VVT system.
This car did not change E/G oil oftenly.
There were excessive carbon built-up in the OCV.
Then I changed OCV and VVT assembly.

Toyota Rav4 SXA10G Radiator Fan Rotate At IG ON

1994 Toyota Rav4 SXA10G Engine Model 3S-FE

Situation
Radiator fan and condenser fan rotated at IG switch on.

Cause
Faulty Coolant temperature sensor.

Maintenance
At first I looked into wiring diagram.
Then I judged that coolant temperature sensor or pressure switch had had problem.
The pressure switch was properly.
I checked the coolant temperature sensor .
It was faulty. Then I changed new coolant temperature sensor.

Toyota Premio ZZT240 A/C Lamp Blink

2003 Toyota Premio ZZT240

Situation
A/C lamp was blinking after a short time when the A/C switch turned on.

Cause
Faulty A/C magnet clutch

Maintenance
The panel diagnosis noticed No22 that meant locked compressor.
Then I checked the magnet clutch and measured the resistance.
The resistance should be185+-20ohm.
But it was 250ohm. Then I changed new magnet clutch.

-

Toyota Nadia SXN10 E/G Stalls

1999 Toyota Nadia SXN10 Engine Model 3S

Situation
The engine stalled at an idle.

Cause
Faulty ECU ( computer)

Maintenance
Carbon sludge were piled up by exhaust gas recirculation system.
I cleaned ECU, but it did not work well.
Then I exchaged new ECU ( computer).

Toyota Vitz SCP10 E/G Check Lamp Lit

2000 Toyota Vitz Yaris SCP10 Engine Model 1SZ

Situation
Check engine lamp illuminated.
The car run smoothly.

Cause
the nozzle of injectors clogged.

Maintenance
Diagnosis noticed P0171 that meant defect of lean vapor.
So I checked air-flow meter, spark plugs and O2 sensor.
But they were properly.
Then I took off fuel injectors and checked them.
All a third of fuel injection nozzles were clloged by carbon sludge.
After that I cleaned them and it work properly.

Toyota Landcruiser HDJ81V Gear Not Move

1997 Toyota Landcruiser HDJ81V

Situation
The automatic transmission selector lever didn't move from Park.

Cause
Disconnecting electronics ignition fuse 15A.

Maintenance
When I pressed the brake pedal, the stoplamp illuminated.
The signal of stoplamp switch was input to the No6 terminal of shift lock control relay.
The key inter lock system was properly.
Becuase of this I judged that electrical power supply and grounding wire were properly.
Then I changed a shift lock control relay , but it didn't work well.
After that I checked the voltage of the No3 terminal of the shift lock relay.
I found that there was no voltage and checked electronics ignition fuse 15A.
The fuse was disconnecting.
Then I changed the 15A fuse.

Toyota Sprinter AE110 SRS Lamp Lit

1998 Toyota Sprinter AE110 Engine Model 5A-FE

Situation
SRS warning lamp illuminated.

Cause
Faulty SRS control unit

Toyota Caldina ST191G E/G Not Start

1995 Toyota Caldina ST191G Engine Model 3S

Situation
The engine rotated but would not start.

Cause
Faulty ignition coil.

Maintenance
Firstly I checked electrical system and did spark test.
Spark were weak.
Then I found that there were leak at one of the ignition coil.
I changed it new ignition coil.

Nissan Sunny FB15 E/G Stall

2001 Nissan Sunny FB15 Engine Model QG15DE

Situation
Engine started but stoped immidiately without pressing accelrator.

Cause
Faulty Engine computer and AAC valve.

Maintenance
Diagnosis was properly.
 I took off the AAC valve and checked it.
The value of resistance was out of average.(27-33ohm)
I exchanged new AAC valve. but it didn't work well.
After that I took off the engine computer
and found that platform had been burning.
Then I exchanged new engine computer.
Finaly It worked properly.

Toyota Mark2 GX110 Check Lamp Lit

20001 Toyota Mark2 GX110 Engine Model 1G

Situation
Engine check lamp illuminated.
The engine was hunting a liittle at an idle.

Cause
Faulty throttle position sensor.

Maintenance
Diagnosis noticed that cord P0120 which meant throttle sensor systems.
I used a service manual and confirmed by data monitor.
Then I checked throttle sensor of accelration angle and idling switch.
The throttle sensor was 0% (Faulty)
The idling switch was off (faulty)
After that I took off the throttle position sensor and checked it.
It was disconnecting at ON.(Faulty)
Then I judged that it had been faulty and exchanged new throttle position sensor.

Nissan Figaro FK10 Coolant Leakage

1991 Nissan Figaro FK10 Engine Model MA10

Situation
Coolant leakage in the timing belt cover.

Cause
Coolant leakage from the water pump and a bolt of the tensioner pulley.

Maintenance
I took off timing belt cover and timing belt and checked leakage from the water pump.
Then I exchaged new water pump and tested water pressure.
After that I found leakage between the timing belt and tensioner pulley.
It came from the bolt of tensioner pulley.
Then I changed a new bolt using lock sealing.

Toyota Progres JCG10 VSC Lamp Lit

1999 Toyota Progres JCG10 Engine Model 1JZ

Situation
VSC warning light and TRC OFF lamp illuminated.

Cause
Faulty Steering Sensor.

Maintenance
The engine run smoothly.
When I turned the steering wheel until the end, warning lapms illuminated.
Diagnosis noticed cord31 which meant faulty of the steering sensor.
I judged that the steering sensor was faulty.
Then I exchanged new steering sensor.
After that it worked properly.

Mitsubishi GTO 3000GT Z15A Hunting on Acceleration

1991 Mitsubishi GTO Z15A Engine Model 6G72

Situation
When I pressed harder on the accelrator ,The engine speed did not get high smoothly with hunting,
when I shifted in seconds from 3000rpm. Idles was properly.

Cause
Faulty Ignition coils.

Maintenance
It did not work properly after I cheked spark plugs , HT leads ,air flow meter and air cleaner.
Althogh I cleaned the throttle body.
Then I checked the ignition coils and found that there were cracks on the base of coils and leaked from it.
I exchanged new ignition coils.
After that the engine speed got high smoothly.

Toyota Hilux Surf RZN185 Idles Erratically

2000 Toyota Hilux Surf RZN185W Engine Model 3RZ-FE

Situation
The engine did not run smoothly at an idle.

Cause
Faulty Air flow Meter

Maintenance
Diagnosis noticed that card 31 it was faulty of the air flow meter.
Then I took off it and cleaned. but It worked worse than befor.
After that I judged that the air flow meter was faulty.
The engine run smoothly after I changed a new air flow meter.

Toyota Chaser GX100 E/G Stall

1997 Toyota Chaser GX100 Engine Model 1G-FE

Situation
The engine stalled at an idle.

Cause
Faulty ISCV (idling speed control valve).

Maintenance
Diagnosis and fuel compression were properly.
The engine speed got high smoothly.
I thought that ISCV was faulty and checked it.
It worked properly but the head of the ISCV was dirty with sludge.
Then I cleaned it .
After that It worked properly.

Nissan March Micra AK12 OD Switch Not Put on

2004 Nissan March AK12 Engine Model CR12

Situation
It couldn't be put on the Over Drive switch and not iluminated.

Cause
Disconnecting wiring in the selector lever.

Maintenance
I disassemble the selector lever.
Then I repaired the wiring.
After that it could be put on the over drive switch.

Toyota Corona ST190 ABS Lamp Lit

1994 Toyota Corona ST190

Situation
ABS warning light iluminated.

Cause
Faulty front right Speed sensor

Maintenance
Diagnosis noticed that the front right speed sensor was faulty.
When I measured voltage of the sensor, it was out of average level.
Then I exchanged new speed sensor.
After that it worked properly.

Toyota Carina AT211 E/G Hesitate on Accelration

1996 Toyota Carina AT211 Engine Model 7A-FE

Situation
The engine speed did not get high smoothly with hunting.

Cause
Faulty Ignition coils

Maintenance
At first I changed new spark plugs and new HT leads.
Then the engine worked properly on a temporarily.
After 1 month it happend again.
This engine was used concurrently ignition coils system.
So I judged that sparks were leaking in the ignition coils.
I exchanged new ignition coils.

Mazda RX-7 FD3S ABS Lamp Lit

1999 Mazda RX-7 FD3S

Situation
ABS warning light illuminated.

Cause
Disconnecting front left decompression solenoid valve in the ABS hydro unit.

Maintenance
Diagnosis noticed cord24 that was fault of the front left decompression valve.
Then I looked into it by service manual.
Firstly I pulled off valve relay and checked electric continuity.
One of the cable was infinite.
I judged that this was the cause.
Thean I changed a new ABS hydro unit.
After that it worked properly.

Nissan Terrano Pathfinder WBYD21 Shiftrock Trouble

1990 Nissan Terrano WBYD21 Engine Model TD27T

Situation
The key was not pulled off from the ignition switch.

Cause
Faulty Shiftrock control unit (computer).

Maintenance
Other switchs were working well.
I exchanged a new shiftrock unit.

Toyota ist Scion xA NCP60 Heater Didn't Work

2005 Toyota ist NCP60 Engine Model 2NZ
With Auto Air Conditioning

Situation
The heater did not work suddnly.

Cause
Faulty Air Conditioning Amp(Computer)

Maintenance
A/C switch turned off automatically when I turned on the A/C switch .
Also I turned off the ignition switch and turned on it again.
It happend when the heater blower motor did not work.
I looked into it by maintenance manual.
Then I took off the combination meter, and exchanged the amp where it was back left .
After that it worked properly.

Honda Civic EG6 E/G Not Start

1994 Honda Civic EG6 Engine Model 16A

Situation
The engine did not work at all.

Cause
It was improved after I had exchaged the distributor ASSY.

Maintenance
Sparks, Fuel pressure, Cylinder compressions were all properly.
One of the pickup coil in the distributor was substantially out of average level of resistance.
Then I exchanged it a secondhand distributor.

Toyota Vitz Yaris SCP10 E/H Hesitate

2000 Toyota Vitz Yaris SCP10 Engine Model 1SZ-FE

Situation
The engine speed did not get high smoothly when it was accelrated a littele.
The Engine idled properly.

Cause
Dirty Air flow meter

Maintenance
Diagnosis was properly.
Big sludge attatched the platinum hot wire of the air flow meter.
Then I cleaned it with partcleaner.
After that the engine speed get high smoothly.

Toyota Corolla NZE121 ABS Lamp Lit

2005 Toyota Corolla NZE121 Engine Model 1NZ

Situation
ABS warning light illuminated

Cause
Faulty Brake actuator ASSY

Maintenance
Diagnosis noticed that wiring disconnecting of ABS motor relay.
Brake fruid leaked off when I took off the connector of  the brake actuator.
After I exchaged it a new brake actuator , it become properly.

Toyota Sprinter AE110 E/G Stall When Cold

1995 Toyota Sprinter AE110 Engine Model 5A-FE

Situation
Idling speed was properly.
The engine stalled when engine speed got high on accelration when it was cold.

Cause
Dirty ISCV (idle speed cotrol  valve)

Maintenance
I took off the ISCV and cleaned it.
The lane of water was clogged by carbon sludgees.
Then I cleaned ISCV.
It worked properly.

Toyota Corolla AE100 Blowout Meter Fuse

1992 Toyota Corolla AE100 Engine Model 5A-FE

Situation
The meter fuse blew out when ignition switch turn on IN.

Cause
Short out Inhibitor Switch

Maitenance
Firstly I took off associated parts of connectors but The cause didn't change.
Then I checked in the engine room, I found that wiring touched a bracket of radiator subtank.
I used wiring diagram and found out the Inhibitor switch wiring blow out.
I repaired the inhibitor switch wiring.

Nissan Silvia S14 Rough Idling

1994 Nissan Silvia S14 Engine Model SR20DE

Situation
The engine did not run smoothly at an idle.

Cause
Dirty AAC valve.

Maintenance
At first the idling speed did not get high when I put on the air conditioner .
Because of this , I judged that AAC valve did not work.
Then I took off the AAC valve and cleaned it.

After I fix it , The engine run smoothly at an idle.

Toyota Corona Premio AT210 Engine Hesitate

2000 Toyota Corona Premio AT210 Engine Model 4A-FE

Situation
The engine speed did not get high smoothly and Engine check lamp lit .
After that The lamp cleared.
Accelration got high properly at an idle.
Mileage was over 230.000km.
The owner often change engine oil.

Cause
Faulty Cylinder Pressure Sensor

Maintenance
The Cylinder compressions were properly.
Then I checked diagnosis . It noticed P1105:36 which meant faulty Cylinder pressure sensor.
It was at the No1 cylinder. I needed to replace it SST.

I replaced the new cylinder pressure sensor.

Toyota Hiace LH113V O/D Not Shift

1992 Toyota Hiace LH113V Engine Model 3L

Situation
Not shift O/D range.

Cause
Faulty Over Drive switch.

Maintenance
Diagnosis was properly.

The car didn't run to shift at over drive range after I disconnected solenoid connector of O/D.

Then I judged that O/D switch was faulty.

I changed new Over Drive switch.

Mazda Demio Mazda2 DW3W Hold Lamp Blink

 2001 Mazda Demio Mazda2 DW3W Transmission Model FN4A-EL

Situation
Hold indicator lamp blinked on and off.
The engine hesitated on acceleration.
Diagnosis noticed P0500 which indicate speed sensor.

Cause
Faulty Speed Sensor

Maintenance
Firstly I checked diagnosis system , It noticed P0500( Speed Sensor).
Then I rotated front tiyers by hand , checked voltage of Speed sensor at ECU 3T terminal.
The voltage was erratically , not 5V constantly.
Then I judged that Speed sensor was faulty and changed new Speed sensor.

It become properly.

Nissan Mistral R20 E/G Difficult to start

1997 Nissan Mistral R20 Engine Model TD27B

Situation
Glow plug lamp cleared after it illuminated for about 3 seconds.
then the engine was difficult to start.

Cause
Not on board glow plug system on the reimporting Mistrals.

Maintenance
At first I checked water sensor for glow system.
then checked voltage of after glow , It was not power voltage.
When I found out it ,  it come out that reimported Mistral didn't have gloe system.
Then I installed glow plug system.The Engine become easy to start.

Subaru Forester SF5 High Level of CO

1999 Subaru Forester SF5 Engine Model EJ20

Situation
The car sometime exhaust about 8% of carbon monoxide . It was erratically.

Cause
Changed the air flow meter,

Maitenance
Diagnosis was properly. The water sensor was properly.
There was incorrect signal at the air floe meter.

I changed a new air flow meter.

Suzuki Escudo Vitara TD01W Rough Idling

1991 Suzuki Escudo Vitara TD01W Engine Model G16A

Situation
The engine didn't run smoothly at an idle.

Cause
Trouble spark plug cables

Maintenance
I found that Spark was leaking from No3 HT lead in the plug hole ,
When I did power balance test.

I exchanged all new HT leads.

Mitsubishi Pajero V44WG ABS Lamp lit

1992 Mitsubishi Pajero V44WG Engine Model 4D56

Situation
ABS Warning lamp often lit.

Cause
It got properly after changed ECU, althogh I didn't find fault.

Maintenance
At first I checked diagnosis system, It showed No43.
This was defect of the actuator.
Although there were voltage at the terminal of  solenoid on the ECU.
Then I jadged that ECU had been problem.

I changed used ECU.

Honda CR-V RD1 White Smoke

1997 Honda CR-V RD1 Engine Model B20B

Situation
Air conditioner gas from the engine room during running.

Cause
I changed the cooling fan motor after Inspected the cooling system.

Maintenance
Firstly the water were leaking from the upper radiator.

Then exchnged a rebuilt radiator , but The cooling fan didn't run when I accelrated high.

After that Air conditioner gas spout out from the safty valve of the aircon compressor.

This was white smoke from the engine.

I change the cooling fan motor. 

Toyota Land Cruiser KZJ95W Funny Noise

1997 Toyota Land Cruiser KZJ95W Engine Model 1KZ

Situation
The engine made a funny noise while idling.

Cause
Exchanged new valves.

Maintenance
Engine oil didn't add to No1 cam when I saw in the engine.
The car was not often changed the oil.

It might make many sludges in the engine. 

I flushed with the oil and exchanged new valves.

Toyota Mark2 GX100 ABS Lump Lit

1999 Toyota Mark2 GX100 ABS Warning Lamp Lit

Situation
ABS warning lamp was lit.

Cause
Defect ABS computer

Maintenance
Checked diagnosis system, but it didn't clear.
then checked ABS computer, There was water from the air conditioner into the computer.

I exchaged  a used computer , it got well. 

Toyota Hilux Surf KZN130 Strange Shifting

1994 Toyota Hilux Surf KZN130W Automatic Transmission
Engine model 1KZ

Situation
It couldn't shift gears in second and fourth.

Cause
Changed ECU , There were leaks from the condenser in the ECU.

Maintenance

Speed sensor and accel sensor were properly.

Fourth generating power didn't deliver from ECU.

I changed used ECU.

TOYOTA PREMIO AT211 Bad Accelration

1996 Toyota Premio AT211 bad acceleration
Engine model 7A-FE

Situation
The engine speed did not get high smoothly and run smoothly at an idle.

Cause
Exchanged all spark plugs , then it run smoothly

.

The contents of the maintenance

There was an alarm on  the diagnosis system with the throttle sensor.
After delete the cord , it showed normally.
Checked No3 and 4 plug , replaced No1 and 2.
Then got high smoothly and was good idling.

I exchanged new spark plugs.

Toyota Rav4 SXA11 Rough Idling

1995 Toyota Rav4 SXA11 Engine model 3S

Situation
The engine did not run smoothly at an idle.

Cause
Replaced ISC valve.

The contents of the maintenance

conected the dianogstic machine and tested the actuator

but it didn't work properly.

 

I replaced the new ISC valve.

Toyota Corolla SRS check lamp lit

1997 Toyota Corolla AE110

Situation

SRS check lamp　lit

Cause

Center control unit  （ Corolla 1997 model have a lot of same trouble ）

The contents of the maintenance

checked self-diagnosis  :No31

Abnormal the center air bag sensor though it's not crash.

I changed it to a used ECU.