When the ECM detects that it is not functioning normally, DTC P160700 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|
| P160700 | Cruise Control Input Processor | When the ignition switch is ON and control of vehicle speed by the dynamic radar cruise control system is prohibited by the sub-CPU, the dynamic radar cruise control system operates for 0.3 seconds or more. | ECM | Comes on | Radar Cruise1 | A | SAE Code: P1607 |
When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Connect the GTS to the DLC3.
Turn the ignition switch ON and turn the GTS on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
Turn the GTS off.
Turn the ignition switch off.
Disconnect the GTS.
Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute.
Connect the cable to the negative (-) auxiliary battery terminal.
Connect the GTS to the DLC3.
Turn the ignition switch ON and turn the GTS on.
Turn the cruise control main switch on.
Wait 16 seconds or more.[*1]
[*1] : Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
Enter the following menus: Powertrain / Radar Cruise1 / Trouble Codes.
Read the DTCs.
If a DTC is output, the system is malfunctioning.
If a DTC is not output, perform the following procedure.
If the DTCs are not output, perform a universal trip and check for permanent DTCs.
If a permanent DTC is output, the system is malfunctioning.
If no permanent DTCs are output, the system is normal.
Before replacing the ECM, refer to Service Bulletin.
When the ECM is replaced, update the ECU security key.
Read the freeze frame data using the GTS. When a malfunction is detected, various engine control parameters are stored as freeze frame data and can be useful for troubleshooting.
Clear the DTCs.
| Proceed to |
|---|
| NEXT |
NEXT
Pre-procedure1
Make sure that the DTC detection conditions are met.
If the detection conditions are not met, the system cannot detect the malfunction.
Procedure1
Check for DTCs.
| Result | Proceed to |
|---|---|
| P160700 is not output | A |
| P160700 is output | B |
Post-procedure1
None
A
B