- Master cylinder solenoid (skid control ECU)
- CAN communication system
- ECM
| Last Modified: 11-27-2007 | 1.6 C | |
| Service Category: Engine/Hybrid System | Section: Cruise Control | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000003FEM000X |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: DESCRIPTION (2008 LX570) | ||
|
DTC |
P1630 |
Communication Error from VSC to ECM |
DESCRIPTION
The distance control ECU sends brake control request signals, warning request signals, etc. to the master cylinder solenoid (skid control ECU) through the ECM. Based on these signals, the brake actuator operates and the warning buzzer sounds. The master cylinder solenoid (skid control ECU) sends brake system malfunction signals, etc. to the ECM.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
P1630 |
The vehicle speed is 40 km/h (25 mph) or more with the cruise control main switch on (vehicle-to-vehicle distance control mode) and the data sent from the master cylinder solenoid (skid control ECU) to the ECM is abnormal. |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
REPLACE MASTER CYLINDER SOLENOID (SKID CONTROL ECU) |
(a) Replace the master cylinder solenoid (skid control ECU) with a new one
.
|
|
2. |
CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM) |
(a) Using the Techstream, enter the following menus: Powertrain / Radar Cruise / Trouble Code.
(b) Clear the DTCs
.
(c) Perform the following to make sure the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(1) Drive the vehicle at a speed of 40 km/h (25 mph) or more.
(2) Turn the cruise control main switch on to set the vehicle-to-vehicle distance control mode to the standby state.
(d) Check for DTCs
.
OK:
DTC P1630 is not output.
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