Toyota Venza Quiz
1ar-fe Engine Control

Internal Control Module Monitoring Processor Performance (P060A)

In this manual: 1ar-fe Engine Control
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17steps
~102min
4/5difficulty
Done 0 of 17
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.

DTC No.

DTC Detection Condition

Trouble Area

P060A

A CPU reset is performed after one of the following conditions is met (1 trip detection logic):

  • There is an ECM main CPU error.
  • There is an ECM sub CPU error.
  • There is an electronic throttle monitoring CPU error.

ECM
MONITOR STRATEGY

Related DTCs

P060A: Internal Control Module Monitoring Processor Performance

Required Sensors/Components (Main)

ECM

Required Sensors/Components (Related)

-

Frequency of Operation

Continuous

Duration

-

MIL Operation

Immediate

Sequence of Operation

None
TYPICAL ENABLING CONDITIONS

Monitor runs whenever the following DTCs are not stored

None
TYPICAL MALFUNCTION THRESHOLDS

Either of the following conditions is met

1 or 2

1. All of the following conditions are met

-

CPU reset

1 time or more

Learned throttle position - Learned accelerator pedal position

0.4 V or higher

Command to electronic throttle actuator

OFF

2. CPU reset

2 times or more
CONFIRMATION DRIVING PATTERN
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the Techstream off.
  5. Turn the ignition switch off.
  6. Disconnect the Techstream.
  7. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
  8. Connect the cable to the negative (-) battery terminal.
  9. Connect the Techstream to the DLC3.
  10. Turn the ignition switch to ON and turn the Techstream on.
  11. Wait 16 seconds or more.
  12. Enter the following menus: Powertrain / Engine / Trouble Codes.
  13. Read the pending DTCs.

    HINT:

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  15. Input the DTC: P060A.
  16. Check the DTC judgment result.

    Techstream Display

    Description

    NORMAL
    • DTC judgment completed
    • System normal

    ABNORMAL
    • DTC judgment completed
    • System abnormal

    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions

    N/A
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
  17. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs (See page ).

    HINT:

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.
CAUTION / NOTICE / HINT

HINT:

Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

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 the DTC (See page ).


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

(f) Disconnect the Techstream.

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

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

(i) Connect the Techstream to the DLC3.

(j) Turn the ignition switch to ON.

(k) Turn the Techstream on.

(l) Wait 16 seconds or more.

(m) Enter the following menus: Powertrain / Engine / Trouble Codes.

(n) Read the DTCs.

Result

Proceed to

DTC is not output

A

DTC P060A is output

B

A

CHECK FOR INTERMITTENT PROBLEMS

B

REPLACE ECM

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