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IN0383
Example
Ground
IN0384
Ground
ECU Side
W/H Side
Ground
01--36
--
INTRODUCTION
HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
COROLLA Supplement (RM1129E)
(1)
Measure the resistance between the ECU ground
terminal and body ground.
Standard: Below 1
Ω
(2)
Disconnect the ECU connector. Check the ground
terminals (on the ECU side and wire harness side)
for evidence of bending, corrosion or foreign materi-
al. Lastly, check the contact pressure of the female
terminals.
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E