DTC C1789/89: L4 Switch Circuit Malfunction: Description
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
This circuit is sending the signal to the ECU by detecting that the transfer shift lever is in L4 position.
DTC DETECTION CONDITION TABLE
| DTC No. |
DTC Detection Condition |
Trouble Area |
| C1789/89 |
L4 position switch signal does not change |
- L4 position switch
- Suspension control ECU
- Wire harness
|