How to Proceed with Troubleshooting Using Volt/Ohm Meter and
TCCS Checker
For the explanation of steps , and [16], see the explanation of steps with the same
title on page EG–312.
CIRCUIT INSPECTION BY CHECKER
If the Normal code is displayed in the diagnostic trouble code check, connect the checker to the vehicle
and check all the circuits which can be inspected using the checker.
If a malfunctioning circuit is then detected, proceed to ”Circuit Inspection by Volt/Ohm Meter” and check
the applicable circuit using a volt/ohm meter. Determine if the malfunction is in the sensor, actuator, wire
harness, connector or the ECM. If the malfunctioning circuit cannot be detected using the checker, proceed
to ”Basic Inspection” and perform troubleshooting.
If a malfunction code is displayed in the diagnostic trouble code check, use the checker to inspect the circuit
indicated by the diagnostic trouble code chart for the displayed code.
For instructions on how to connect the checker to the vehicle and how to use the checker, please refer to
the Instruction Manual for TCCS checker.
EG–316
–ENGINE TROUBLESHOOTING HOW TO PROCEED WITH TROUBLESHOOTING
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