Open-Circuit And Short-Circuit Trouble Of T3/T4 - Toyotomi DCT 100HSPi Service Manual

9.2.5 Open-circuit and short-circuit trouble of T3
Is connection to connector of temp. sensor good?
Yes
Check the resistance of the temp. sensor according to Annex 1
Is it the resistance is normal?
Yes
Indoor PCB is defective.
9.2.6 Open-circuit and short-circuit trouble of T4
Is connection to connector of temp. sensor good?
Yes
Check the resistance of the temp. sensor according to Annex 1
Is it the resistance is normal?
Yes
Indoor PCB is defective.
Outdoor units
No
Replace the sensor
No
Replace the sensor
No
Repair connector
No
Repair connector
Troubleshooting