Component Inspection

Air Conditioner
B1242 Evaporator sensor open (High) - Inspection/Repair:_:Component Inspection

Component Inspection

1. Check evaporator sensor
1. Ignition "OFF"
2. Disconnect evaporator sensor.
3. Measure resistance between terminal "1" and "2" of evaporator sensor.
A. Specification : Refer the specifications in fig3)








4. Is the measured resistance within specifications in fig3)? (tolerance limits ±3%)
YES
1) Go to "Check A/C Control Unit" procedure.
NO
1) Substitute with a known-good evaporator sensor and check for proper operation.
If the problem is corrected, replace evaporator sensor and then go to "Verification of Vehicle Repair" procedure.