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.
4/25/2012
4/24/2012
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.
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.
4/23/2012
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.
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.
4/21/2012
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.
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.
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.
4/19/2012
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.
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.
4/16/2012
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.
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.
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