P0606

3MZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0606: ECM / PCM Processor

DTC P0606 - ECM / PCM Processor

MONITOR DESCRIPTION

The ECM (included in the hybrid vehicle control ECU) 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 standards, the ECM will illuminate the MIL and set the DTC immediately.






MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





INSPECTION PROCEDURE

PROCEDURE

1. READ OUTPUT DTC (DTC P0606)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs DTC Check / Clear.
(e) Turn the power switch off and turn the Techstream off.
(f) Disconnect the Techstream.
(g) Disconnect the cable from the auxiliary battery negative (-) terminal and wait for 1 minute.
(h) Connect the cable to the auxiliary battery negative (-) terminal.
(i) Connect the Techstream to the DLC3.
(j) Turn the power switch on (IG).
(k) Turn the Techstream on.
(l) Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
(m) Read the DTCs.
Result:






B -- REPLACE HYBRID VEHICLE CONTROL ECU
A -- CHECK FOR INTERMITTENT PROBLEMS