- Harness or connector
- Integration control and panel (Height control OFF switch)
- Suspension control ECU
| Last Modified: 11-27-2007 | 1.6 C | |
| Service Category: Suspension | Section: Suspension Control System | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000001CTS006X |
| Title: SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: DESCRIPTION (2008 LX570) | ||
|
DTC |
C1794 |
Height Control OFF Switch Circuit (Test Mode DTC) |
DESCRIPTION
This is the height control system main switch. When the height control switch is pushed, the height control OFF indicator light lights up and height control turns off.
The off condition of the height control will not be canceled until the height control switch is pushed again or the vehicle is driven.
|
DTC Code |
Detection Condition |
Trouble Area |
|---|---|---|
|
C1794 |
The test mode procedure is performed. |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
- Before performing troubleshooting, inspect the connectors of related circuits.
-
If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed
.
PROCEDURE
|
1. |
INSPECT INTEGRATION CONTROL AND PANEL (HEIGHT CONTROL OFF SWITCH) |
(a) Remove the integration control and panel
.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (SUSPENSION CONTROL ECU - SWITCH AND BODY GROUND) |
(a) Disconnect the K30 ECU connector.
(b) Disconnect the V4 integration control and panel connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K30-11 (TD) - V4-4 (N) |
Always |
Below 1 Ω |
|
K30-11 (TD) - Body ground |
Always |
10 kΩ or higher |
|
V4-6 (E) - Body ground |
Always |
Below 1 Ω |
|
|
|