Checking Program - Cruise Control Monterey
| Test | Test Equipment | Test | Notes | Nominal | ||
|---|---|---|---|---|---|---|
| Step | Multimeter | |||||
| MKM-587-A | of | |||||
| between | ||||||
| Value: | ||||||
| 06 | Voltmeter range 20V, DC | Speedometer frequency signal | K14, XB9 ter. 13 | K14, XB9 ter. 9 | · Secure vehicle against rolling away |
· Jack up rear of vehicle
· Ignition "ON"
· Rotate rear wheels slowly
| · Measurements at wiring harness plug XB9 | varies between |
< 2 V
| > 11.5 V | ||
|---|---|---|
| Troubleshooting | Nominal Value | Cause of Fault |
If the speedometer does not function properly
| · Check speedsensor and speedometer circuit. |
With the speedometer functioning properly.
· Measure resistance with multimeter
from: Control unit K14, wiring harness plug XB9 ter. 13
| to: Speedometer P43, wiring harness plug XI10 ter. 6 | ||
|---|---|---|
| approx. 0 W | · Line interrupted or short circuit to voltage |
from: Wiring harness plug XB9 ter. 13
| to: Wiring harness plug XI10 ter. 6 |
· Measure resistance with multimeter
| from: Control unit K14, wiring harness plug XB9 ter. 13 | ||
|---|---|---|
| to: Ground | > 2 kW | · Short circuit to ground |
from: Wiring harness plug XB9 ter. 13
| to: Wiring harness plug XI10 ter. 6 | |
|---|---|
| If nominal values are attained: | · Speedometer P43 defective |