Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - 1GR-FE ENGINE CONTROL
CHECK WHETHER DTC OUTPUT RECURS (P0606)
DTC P0606 ECM / PCM Processor
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 a DTC immediately.
| DTC No. | DTC Detection Condition | Trouble Area |
| P0606 | Either condition is met (1 trip detection logic): There is an ECM main CPU error. There is an ECM sub CPU error. | ECM |
INSPECTION PROCEDURE
| 1.CHECK WHETHER DTC OUTPUT RECURS (P0606) |
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Clear the DTCs ().
Turn the ignition switch off.
Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
Connect the cable to the negative (-) battery terminal.
Turn the ignition switch to ON.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
Read the DTCs.
| Result | Proceed to |
| P0606 is output | A |
| No DTC is output | B |
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| A | ||
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