Toyota 3S-GE Repair Manual page 203

EG-189
T ENGINE — EFI SYSTEM
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EFI SYSTEM CHECK PROCEDURE
PREPARATION
1 V I_OCI( (a)
Disconnect the connectors from the ECU.
Remove the locks as shown in the illustration so that
the tester probe(s) can easily come in.
NOTICE: Pay attention to sections 'A' and 'B' in the
illustration which can be easily broken.
Reconnect the connectors to the ECU.
HINT:
0 Perform all voltage measurements with the con-
nectors connected.
I Verify that the battery voltage is 11 V or more
when the ignition switch is in the "ON" position.
Using a voltmeter with high impedance (10 kQ/V
minimum). measure the voltage at each terminal of
the wiring connectors.
lb)