Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.
Fuel (Regular Unleaded Gasoline Recommended)
HosesSymptom diagnosis
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
Symptom
Check items
Cooling system
parts
malfunction
Poor heat transfer
Water pump malfunction
Worn or loose drive belt
—
Thermostat stuck closed
Engine coolant circulation
Da ...
How to Follow Test Groups in Trouble Diagnosis
Test group number and test group title
Test group number and test group title are shown in the upper portion of
each test group.
Work and diagnosis procedure
Start to diagnose a problem using procedures indicated in enclosed test
groups.
Questions and results
...
Bcm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...