СИСТЕМА КРУИЗ-КОНТРОЛЯ (кроме моделей с 1ND-TV, 8NR-FTS), Diagnostic DTC:P1607

DTC Code DTC Name
P1607 System State Logical Error Detection

DESCRIPTION

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store the DTC immediately.

DTC No. Detection Item DTC Detection Condition Trouble Area
P1607 System State Logical Error Detection ECM CPUs malfunction. ECM

CAUTION / NOTICE / HINT

Tech Tips

The ECM receives signals from each sensor to control all functions of the cruise control system. When a DTC is detected, the fail-safe function remains on until the engine switch is off.

PROCEDURE


  1. CHECK FOR DTCS (DTC P1607)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Clear the DTCs.

      Click here


      Powertrain > Cruise Control > Clear DTCs

    4. Perform the following to make sure that the DTC detection conditions are met.

      Tech Tips

      If the detection conditions are not met, the malfunction cannot be detected.


      1. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

      2. Connect the cable to the negative (-) battery terminal.

    5. Check for DTCs.

      Click here


      Powertrain > Cruise Control > Trouble Codes
      Result
      Result Proceed to
      DTC P1607 is not output A
      DTC P1607 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO ECD SYSTEM Click here