Troubleshooting - Toyota 22R-E Service Manual

TROUBLESHOOTING

When the malfunction code is not confirmed in the diagnostic trouble code check and the
problem still cannot be confirmed in the basic inspection, then proceed to this step and perform
troubleshooting to the numbers in the order given in the table below.
See page
Suspect area
Symptom
Engine does not crank
Starter runs – engine does
not crank
No initial combustion
No complete combustion
Engine cranks slowly
Under normal condition
Cold engine
Hot engine
Incorrect first idle
High engine idle speed
Low engine idle speed
Rough idling
Misfire
Hesitation
Poor acceleration
Back fire
Muffler explosion
(after fire)
Serging
Knocking
Soon after starting
After accelerator pedal
depressed
After accelerator pedal
released
During A/C operation
When N to D shift
Poor fuel economy
Engine overheat
Engine overcool
Excessive oil consumption
Low oil pressure
High oil pressure
Starter keeps running
Battery often discharges
HINT: When inspecting a wire harness or circuit, the electrical wiring diagrams at the end of repair manual
should be referred to and the circuits of related systems also should be checked.
ENGINE – ENGINE MECHANICAL
EG1–7