Operation CHARM
: Car repair manuals for everyone.
Home
>>
Toyota Truck
>>
1991
>>
Pickup 4WD L4-144.4 2366cc 2.4L SOHC (22R-E)
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Ignition System
>>
Testing and Inspection
>>
Component Tests and General Diagnostics
>>
Electronic Control Unit (ECU)
Electronic Control Unit (ECU)
The ECU controls the
ignition timing
, fuel injection, and
emission control systems
. For further information on the ECU, refer to
Computers and Control Systems
.