P060A

2AZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P060A: Internal Control Module Monitoring Processor Performance
P060A - Internal Control Module Monitoring Processor Performance

MONITOR DESCRIPTION

The main CPU and sub CPU of the ECM perform data communication between each other. The main CPU monitors the communications and WDC pulses from the sub CPU. When the signal malfunctions below are detected, the DTC is output.





MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





CONFIRMATION DRIVING PATTERN





1. Connect the Techstream to the DLC3.

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

3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation) [A].

4. Wait 16 seconds or more.

5. Enter the following menus: Powertrain / Engine and ECT / Trouble Code / Pending.

6. Read Pending DTCs [B].

HINT
If a pending DTC is output, the system is malfunctioning.

7. If a pending DTC is not output, enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.

8. Input the DTC: P060A.

9. Check the DTC judgment result [B].





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

10. If the test 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 P060A)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream ON.

(d) Clear DTC DTC Check / Clear.

(e) Turn the ignition switch to 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) Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

(m) Read DTCs.

Result

Result:

B -- REPLACE ECM Removal

A -- CHECK FOR INTERMITTENT PROBLEMS Check for Intermittent Problems