RM38T0EC _58 Vehicle Interior _104612 HEATING / AIR CONDITIONING _0500022 RELAY G

HEATING / AIR CONDITIONING  RELAY  ON-VEHICLE INSPECTION  


PROCEDURE

Hide 87346L 1.INSPECT PTC HEATER RELAY

a.

Check the resistance.

i.
E393539C03
0.75,0.854 0.833,0.521 0.833,0.521 1,0.521 true 0.563,1 0.396,0.667 0.396,0.667 0.229,0.667 true 1.073,1 1.24,0.667 1.24,0.667 1.406,0.667 true 0.802,1.531 0.958,1.917 0.958,1.917 1.125,1.917 true 1.042,0.448 1.198,0.646 0.156,0.198 10 false 5 0.083,0.583 0.24,0.781 0.156,0.198 10 false 1 1.458,0.583 1.615,0.781 0.156,0.198 10 false 2 1.167,1.844 1.323,2.042 0.156,0.198 10 false 3 1.813,0.76 1.969,0.958 0.156,0.198 10 false 3 3.115,1.24 3.271,1.438 0.156,0.198 10 false 2 1.813,1.24 1.969,1.438 0.156,0.198 10 false 1 3.125,0.76 3.281,0.958 0.156,0.198 10 false 5

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
3 - 5 Auxiliary battery voltage applied between terminal 1 and 2 Below 1 Ω
3 - 5 Auxiliary battery voltage not applied between terminal 1 and 2 10 kΩ or higher


If the result is not as specified, replace the PTC heater relay.




Hide 85925F 2.INSPECT NO. 2 PTC HEATER RELAY

a.

Check the resistance.

i.
E393538C02
0.719,0.927 0.552,0.51 0.552,0.51 0.385,0.51 true 1,0.896 1.083,0.5 1.083,0.5 1.25,0.5 true 0.49,1.219 0.396,1.74 0.396,1.74 0.24,1.74 true 0.969,1.281 1.073,1.75 1.073,1.75 1.24,1.75 true 0.25,0.427 0.406,0.625 0.156,0.198 10 false 5 1.292,0.417 1.458,0.583 0.167,0.167 10 false 1 0.104,1.667 0.26,1.865 0.156,0.198 10 false 3 1.302,1.677 1.458,1.875 0.156,0.198 10 false 2 1.802,1.406 1.969,1.573 0.167,0.167 10 false 1 3.125,1.417 3.281,1.615 0.156,0.198 10 false 2 1.813,0.76 1.969,0.958 0.156,0.198 10 false 3 3.125,0.76 3.281,0.958 0.156,0.198 10 false 5

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
3 - 5 Auxiliary battery voltage applied between terminal 1 and 2 Below 1 Ω
3 - 5 Auxiliary battery voltage not applied between terminal 1 and 2 10 kΩ or higher


If the result is not as specified, replace the No. 2 PTC heater relay.



Hide 85925G 3.INSPECT NO. 3 PTC HEATER RELAY

a.

Check the resistance.

i.
E393538C02
0.719,0.927 0.552,0.51 0.552,0.51 0.385,0.51 true 1,0.896 1.083,0.5 1.083,0.5 1.25,0.5 true 0.49,1.219 0.396,1.74 0.396,1.74 0.24,1.74 true 0.969,1.281 1.073,1.75 1.073,1.75 1.24,1.75 true 0.25,0.427 0.406,0.625 0.156,0.198 10 false 5 1.292,0.417 1.458,0.583 0.167,0.167 10 false 1 0.104,1.667 0.26,1.865 0.156,0.198 10 false 3 1.302,1.677 1.458,1.875 0.156,0.198 10 false 2 1.802,1.406 1.969,1.573 0.167,0.167 10 false 1 3.125,1.417 3.281,1.615 0.156,0.198 10 false 2 1.813,0.76 1.969,0.958 0.156,0.198 10 false 3 3.125,0.76 3.281,0.958 0.156,0.198 10 false 5

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
3 - 5 Auxiliary battery voltage applied between terminal 1 and 2 Below 1 Ω
3 - 5 Auxiliary battery voltage not applied between terminal 1 and 2 10 kΩ or higher


If the result is not as specified, replace the No. 3 PTC heater relay.



Hide 87299 4.INSPECT HEATER RELAY

a.

Check the resistance.

i.
E393539C03
0.75,0.854 0.833,0.521 0.833,0.521 1,0.521 true 0.563,1 0.396,0.667 0.396,0.667 0.229,0.667 true 1.073,1 1.24,0.667 1.24,0.667 1.406,0.667 true 0.802,1.531 0.958,1.917 0.958,1.917 1.125,1.917 true 1.042,0.448 1.198,0.646 0.156,0.198 10 false 5 0.083,0.583 0.24,0.781 0.156,0.198 10 false 1 1.458,0.583 1.615,0.781 0.156,0.198 10 false 2 1.167,1.844 1.323,2.042 0.156,0.198 10 false 3 1.813,0.76 1.969,0.958 0.156,0.198 10 false 3 3.115,1.24 3.271,1.438 0.156,0.198 10 false 2 1.813,1.24 1.969,1.438 0.156,0.198 10 false 1 3.125,0.76 3.281,0.958 0.156,0.198 10 false 5

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
3 - 5 Auxiliary battery voltage applied between terminal 1 and 2 Below 1 Ω
3 - 5 Auxiliary battery voltage not applied between terminal 1 and 2 10 kΩ or higher


If the result is not as specified, replace the heater relay.