SFI System

1NZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0607: Control Module Performance
P0607 - Control Module Performance

DESCRIPTION

HINT
This DTC P0607 is applicable to Mexico models only.

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 standards, the ECM will illuminate the MIL and set a DTC immediately.





MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





CONFIRMATION DRIVING PATTERN





* Connect the Techstream to the DLC3.

* Turn the ignition switch to ON and turn the Techstream on.

* Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).

* Turn the ignition switch off and wait for at least 30 seconds.

* Turn the ignition switch to ON and turn the Techstream on [A].

* Wait for 16 seconds or more.

* Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].

* Read pending DTCs.

HINT
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
* Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.

* Input the DTC: P0607.

* Check the DTC judgment result.





HINT
If the judgment result shows ABNORMAL, the system has a malfunction.

* If the judgment result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs DTC Check / Clear.

HINT
- If a permanent DTC is output, the system is malfunctioning.
- If no permanent DTC is output, the system is normal.
INSPECTION PROCEDURE

PROCEDURE

1. READ OUTPUT DTC (DTC P0607)

(a) Connect a Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Clear DTCs DTC Check / Clear.

(e) Turn the ignition switch off and turn the Techstream off.

(f) Disconnect the Techstream.

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

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

(i) Connect the Techstream to the DLC3.

(j) Turn the ignition switch to ON.

(k) Turn the Techstream on.

(l) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.

(m) Read DTCs.

Result:





B -- REPLACE ECM Removal

A -- CHECK FOR INTERMITTENT PROBLEMS