Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
Engine Control Module: Testing and Inspection
Control Module Pinout Values
Inspection Procedure
Using TOYOTA break-out-box and TOYOTA hand- held-tester, measure the ECU terminal values.
1. Hook up the TOYOTA hand-held tester and TOYOTA break-out-box to the vehicle.
2. Read the ECU input/output values by following the prompts on the tester screen.
HINT:
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TOYOTA hand-held tester has a "Snapshot" function. This records the measured values and is effective in the diagnosis of intermittent
problems.
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Please refer to the TOYOTA hand-held tester/TOYOTA break-out-box operator's manual for further details.
Standard Values of ECM Terminals