DESCRIPTION
The ECM monitors its internal operation and it will set this DTC when it detects an internal malfunction.
DTC No. |
DTC Detection Condition |
Trouble Area |
SAE |
---|---|---|---|
P062F44 |
ECM internal error (EEPROM) |
ECM |
P062F |
MONITOR DESCRIPTION
The ECM monitors its internal operation. If the internal operation is malfunctioning, the ECM will turn on the MIL and store the DTC.
MONITOR STRATEGY
Related DTCs |
P062F: Internal control module EEPROM error/ Functional |
Required sensors/Components (Main) |
ECM |
Required sensors/Components (Related) |
- |
Frequency of operation |
Continuous: Case 1, Case 2 Once per driving cycle: Case 3 |
Duration |
- |
MIL operation |
Immediately |
Sequence of operation |
None |
TYPICAL ENABLING CONDITIONS
All:
The monitor will run whenever the following DTCs are not stored |
None |
All of the following conditions are met |
- |
Permanent Fault Code |
Not stored |
OBDII system commands |
Store |
Battery voltage |
8 V or higher |
All of the following conditions are met |
- |
Permanent Fault Code |
Stored |
OBDII system commands |
Clear |
Battery voltage |
8 V or higher |
Battery voltage |
8 V or higher |
TYPICAL MALFUNCTION THRESHOLDS
Case 1
Following condition is met |
2 data areas or more |
Any of the following conditions (a), (b) or (c) are met |
More then 3 times |
(a) EEPROM communication timeout |
Occurred |
(b) Permanent fault code |
Not stored |
(c) Permanent fault code |
Not equal to commanded fault code |
Following condition is met |
2 data areas or more |
Either of the following conditions (a) or (b) is met |
More then 3 times |
(a) EEPROM communication timeout |
Occurred |
(b) Permanent fault code |
Stored |
Either of the following conditions is met |
1 or 2 |
1. Following condition is met |
2 data areas or more |
(a) EEPROM communication timeout occurred |
More than 3 times |
2. Permanent Fault Code data mismatch |
More than 10 times |
CONFIRMATION DRIVING PATTERN
HINT:
HINT:
[*1] : Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
Techstream Display |
Description |
---|---|
NORMAL |
|
ABNORMAL |
|
INCOMPLETE |
|
N/A |
|
HINT:
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
READ OUTPUT DTC (DTC P062F44) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs (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) Enter the following menus: Powertrain / Transmission / Trouble Codes.
(m) Read DTCs.
Result
Result |
Proceed to |
---|---|
No DTC output |
A |
P062F44 is output |
B |
A | ![]() |
CHECK FOR INTERMITTENT PROBLEMS |
B | ![]() |
REPLACE ECM |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page".
DTC Code
Detection Item
See page
B1500
F ...
Open in One Side of Bus 2 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
engine immobiliser system functions. Engine immobiliser system data and Diagnostic
Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a ...