Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
Cruise Control. Land Cruiser. Urj200, 202 Grj200 Vdj200
CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)
DTC P1616 Communication Error from ECM to Distance Control ECU |
DESCRIPTION
The ECM sends the cruise control main switch signal, vehicle speed signal, etc. to the distance control ECU. The distance control ECU sends the acceleration signal, deceleration request signal, etc. to the ECM. The ECM controls cruise control according to these signals.| DTC Code | DTC Detection Condition | Trouble Area |
| P1616 | The vehicle speed is 50 km/h (30 mph) or more with the cruise control main switch on (vehicle-to-vehicle distance control mode) and the data sent from the ECM to the distance control ECU is abnormal. |
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WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- When the distance control ECU is replaced with a new one, initialization must be performed (Click here).
| 1.REPLACE ECM |
for 1UR-FE:
Replace the ECM with a new one (Click here).
for 3UR-FE:
Replace the ECM with a new one (Click here).
| NEXT | |
| 2.CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM) |
Using the intelligent tester, enter the following menus: Powertrain / Radar Cruise / Trouble Code.
Clear the DTCs (Click here).
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.
Drive the vehicle at a speed of 50 km/h (30 mph) or more.
Turn the cruise control main switch on to set the vehicle-to-vehicle distance control mode to the standby state.
Check for DTCs (Click here).
- OK:
- DTC P1616 is not output.
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| OK | ||
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