Checking Program - Air Conditioning Campo
| Test | Test Equipment | Test | Notes | Nominal | ||
|---|---|---|---|---|---|---|
| Step | Multimeter | |||||
| MKM-587-A | of | |||||
| between | ||||||
| Value: | ||||||
| 06 | Ohmmeter range 20 MW | Blower switch S24 | M3, (M10, MY'94) XB3 ter. 1 | Ground | · AC switch S101 "OFF" |
· Blower switch S24 "OFF"
| · Disconnect wiring harness plug XB3 from blower motor M3 (M10, MY'94) | |
|---|---|
| · Blower switch S24 "OFF" |
in position "1"
in position "2"
in position "3"
in position "4"
| · Measurements at wiring harness plug XB3 |
>20.0MW
± 2.40 W
± 0.90 W
± 0.30 W
| ± 0.00 W | ||
|---|---|---|
| Troubleshooting | Nominal Value | Cause of Fault |
· Blower switch S24 "OFF"
· Disconnect wiring harness plug XI12 / XI11 from blower switch S24
· Disconnect wiring harness plug XB1 from resistor for blower motor R30
· Measure resistance with multimeter
from: Blower switch S24, wiring harness plug XI12 ter. 1
to: Ground
| approx. 0 W | · Line interrupted |
from: Wiring harness plug XI12 ter. 1
| to: Ground |
· Measure resistance with multimeter
from: Blower switch S24, wiring harness plug XI11 ter. 3, 2 or 1
to: Resistor for blower motor R30, wiring harness plug XB1 ter. 4, 6 or 3
| approx. 0 W | · Line interrupted |
from: Wiring harness plug XI11 ter. 3, 2 or 1
| to: Wiring harness plug XB1 ter. 4, 6 or 3 |
· Measure resistance with multimeter
from: Blower switch S24, wiring harness plug XI12 ter. 2
to: Resistor for blower motor R30, wiring harness plug XB1 ter. 1
| approx. 0 W | · Line interrupted |
from: Wiring harness plug XI12 ter. 2
| to: Wiring harness plug XB1 ter. 1 |
· Disconnect wiring harness plug XB3 from blower motor M3 (M10, MY'94)
· Measure resistance with multimeter
from: Blower motor M3 (M10, MY'94), wiring harness plug XB3 ter. 1
to: Resistor for blower motor R30, wiring harness plug XB1 ter. 2
| approx. 0 W | · Line interrupted |
from: Wiring harness plug XB3 ter. 1
| to: Wiring harness plug XB1 ter. 2 | |
|---|---|
| If nominal values are attained: | · Resistor for blower motor R30 defective |
or
| · Blower switch S24 defective |