Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system
Toyota Corolla (E120): Sfi system
- How to proceed with troubleshooting
- Customer problem analysis check
- Location
- Diagnosis system
- Dtc check/clear
- Check mode procedure
- Basic inspection
- Terminals of ecm
- Data list/active test
- Definition of terms
- Toyota/lexus part and system name list
- List of disable a monitor
- Checking monitor status
- Readiness monitor drive pattern
- Diagnostic trouble code chart
- Fail–safe chart
- Problem symptoms table
- Camshaft position ”a” actuator circuit
- Camshaft position ”a” –timing over
- Crankshaft position – camshaft position correlation
- Oxygen sensor heater control circuit...
- Mass or volume air flow circuit
- Mass or volume air flow circuit range/performance problem
- Intake air temperature circuit
- Engine coolant temperature circuit
- Engine coolant temp. Circuit range/performance problem
- Throttle/pedal position sensor/switch ”a” circuit
- Throttle/pedal position sensor/switch ”a” circuit range/performance problem
- Insufficient coolant temperature for closed loop fuel control
- Coolant thermostat (coolant temperature below thermostat regulating temperature)
- Oxygen sensor
- Oxygen sensor circuit slow response
- Oxygen sensor circuit no activity detected
- Oxygen sensor circuit malfunction
- System too lean/rich
- Random/multiple cylinder misfire detected
- Knock sensor 1 circuit
- Crankshaft position sensor ”a” circuit
- Camshaft position sensor ”a” circuit
- Ignition coil primary/secondary circuit
- Catalyst system efficiency below threshold
- Evaporative emission control system
- Evaporative emission control system leak detected
- Evaporative emission control system pressure sensor
- Vehicle speed sensor ”a”
- Idle air control System/ Circuit
- System voltage
- Ecm/pcm processor
- Starter relay circuit high
- Ecm power source circuit
- Fuel pump control circuit
- Stop light switch circuit
- Mil circuit
Other materials:
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove horn button assy
Place the front wheels facing straight ahead.
using a torx socket wrench (t30), loosen the 2 torx
screws until the groove along the screw circumference
catches on the screw ca ...
On–vehicle inspection
1. Connect hand–held tester:
connect the hand–held tester to the dlc3.
start the engine and run it at idle.
select the active test mode on the hand–held tester.
Hint:
please refer to the hand–held tester operator’s manual for further details.
2. Inspect actua ...
What to do if... (Troubleshooting)
If you have a problem, check the following before contacting your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
● If you lose your keys or mechanical keys, new genuine keys or mechanical keys
can be made by your Toyota dealer.
● If you lo ...


