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.