Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Tc terminal circuit / Circuit description
Toyota Corolla (E120): Circuit description
Dtc output mode is set by connecting between tc and cg of the dlc3.
The dtcs are displayed by blinking the srs warning light.
Wiring diagram
Hint
: when each warning light stays blinking, ground short in the wiring until the terminal tc of the dlc3 or internal ground short in each ecu is suspected.
Other materials:
Parking brake
Operating instructions
1 To set the parking brake, fully pull the parking brake lever while depressing
the brake pedal.
2 To release the parking brake, slightly raise the lever and lower it completely
while pressing the button.
*1: For U.S.A.
*2: For Canada
■Parking brake engaged wa ...
Circuit inspection
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the horn button assy.
connect the ...
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 is the same as those of
the intake air temperature
sensor.
Hint:
if the ecm detects the dtc ...