Toyota Corolla Repair Manual: Engine coolant temperature circuit
Dtc p0115 engine coolant temperature circuit
Dtc p0117 engine coolant temperature circuit low input
Dtc p0118 engine coolant temperature circuit high input
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
Read freeze frame data using the hand-h ...
Circuit description
A thermistor is built in the engine coolant temperature sensor and changes
the resistance value according
to the engine coolant temperature.
The structure of the sensor and connection to the ecm ...
Other materials:
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector between the airbag sensor
assy center and the instrument panel pass ...
Customer problem analysis
Hint:
in troubleshooting, the problem symptoms must be confirmed
accurately, meaning that all preconceptions
must be set aside in order to make an accurate judgement. To ascertain what
the problem symptoms
are, it is extremely important to ask the customer about the problem and
cond ...
Inspection procedure
1 Check security indicator light
Remove the security indicator.
check the indicator light, as shown in the illustration and
table.
Standard:
2 Check wire harness (tvip ecu security indicator)
Disconnect the tvip ecu and security indicator connectors.
...