Toyota Corolla (E120) 2002–2008 Repair Manual / Preparation / Diagnostics
Toyota Corolla (E120): Diagnostics
Preparation
Sst
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09816–30010 | Oil pressure switch socket | Sfi system |
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09843–18040 | Diagnosis check wire no.2 | Sfi system supplemental restraint system |
Recomended tools
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09082–00040 | Toyota electrical tester | Sfi system supplemental restraint system electronic controlled automatic transaxle [ect] combination meter wireless door lock control system |
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(09083–00150) | Test lead set | Sfi system abs with ebd system supplemental restraint system electronic controlled automatic transaxle [ect] audio system cruise control system combination meter wireless door lock control system power door lock control system |
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(09083–00150) | Test lead set | Sfi system abs with ebd system supplemental restraint system electronic controlled automatic transaxle [ect] audio system cruise control system combination meter wireless door lock control system power door lock control system |
Engine control system
Preparation
Equipment
| Ohmmeter | |
| Radiator cup tester | |
| Torque wrench |
Other materials:
Inspection
1. Cooling fan relay
Inspect the cooling fan relay continuity.
Using an ohmmeter, check that there is continuity
between terminals 1 and 2.
If there is no continuity, replace the relay.
Check that there is no continuity between terminals
3 and 5.
If there is conti ...
Inspection
1. Fuel injector assy
Inspect injector resistance.
Using an ohmmeter,measure the resistance between
the terminals.
Resistance: 13.4 – 14.2 Ω at 20 c (68 f)
Inspect injector inspection
Caution:
keep injector clear of sparks during the test.
Purch ...
How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 5, 7, 10.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect hand–held tester to dlc3
Hint:
if the display indicates a communication fault in the tool, inspect dlc3.
4 Check dtc and freeze frame data
Hint:
record or pr ...