DESCRIPTION
The battery ECU assembly detects the voltage of each HV battery cell. The battery ECU assembly monitors its internal HV battery cell voltage detection circuits to detect malfunctions. If the battery ECU assembly detects a malfunction it will store this DTC.
HINT:
If this DTC is output, it will be necessary to replace the battery ECU assembly.
DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
---|---|---|---|---|---|---|
P0E2D00 | Hybrid/EV Battery Energy Control Module Hybrid/EV Battery Monitor Performance |
The battery ECU assembly detects a malfunction of its internal HV battery cell voltage detection circuits. (1 trip detection logic) |
| Comes on |
Master Warning: Comes on |
SAE Code: P0E2D |
MONITOR DESCRIPTION
The battery ECU assembly monitors its internal HV battery cell voltage detection circuits to detect malfunctions. If the battery ECU assembly detects a malfunction, it will illuminate the MIL and store a DTC.
MONITOR STRATEGY
Related DTCs | P0E2D (INF P0E2D00): Internal control module hybrid/EV battery monitor performance |
Required sensors/components | Battery ECU assembly |
Frequency of operation | Continuous |
Duration | TMC's intellectual property |
MIL operation | 1 driving cycle |
Sequence of operation | None |
TYPICAL ENABLING CONDITIONS
The monitor will run whenever the following DTCs are not stored |
TMC's intellectual property |
Other conditions belong to TMC's intellectual property |
- |
TYPICAL MALFUNCTION THRESHOLDS
TMC's intellectual property | - |
COMPONENT OPERATING RANGE
Battery ECU assembly | DTC P0E2D (INF P0E2D00) is not detected |
CONFIRMATION DRIVING PATTERN
HINT:
Click here
Click here
HINT:
[*1] to [*4]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
HINT:
WIRING DIAGRAM
Refer to the wiring diagram for DTC P1A001C.
Click here
CAUTION / NOTICE / HINT
CAUTION:
Refer to the precautions before inspecting high voltage circuit.
Click here
NOTICE:
Click here
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
PROCEDURE
1. | CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL) |
(a) Check for DTCs.
Powertrain > HV Battery > Trouble Codes Powertrain > Hybrid Control > Trouble Codes
Result | Proceed to |
---|---|
"P0E2D00" only is output, or DTCs except the ones in the table below are also output. |
A |
DTCs of hybrid battery system in the table below are output. |
B |
DTCs of hybrid control system in the table below are output. |
C |
System | Relevant DTC | |
---|---|---|
Hybrid battery system |
P060A47 | Hybrid/EV Battery Energy Control Module Monitoring Processor Watchdog / Safety MCU Failure |
P060B49 | Hybrid/EV Battery Energy Control Module A/D Processing Internal Electronic Failure | |
P060687 | Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Missing Message | |
P1A001C | Hybrid Battery Stack 2 Cell Voltage Detection Voltage Out of Range | |
P301A1C | Hybrid Battery Stack 1 Cell Voltage Detection Voltage Out of Range | |
Hybrid control system |
P0A1F94 | Hybrid/EV Battery Energy Control Module Unexpected Operation |
(b) Turn the ignition switch off.
B | ![]() | GO TO DTC CHART (HYBRID BATTERY SYSTEM) |
C | ![]() | GO TO DTC CHART (HYBRID CONTROL SYSTEM) |
|
2. | CHECK CONNECTOR CONNECTION CONDITION (BATTERY ECU ASSEMBLY CONNECTOR) |
CAUTION:
Be sure to wear insulated gloves and protective goggles.
(a) Check that the service plug grip is not installed.
NOTICE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.
(b) Check the connector connections and contact pressure of the relevant terminals for the battery ECU assembly. Click here OK: The connectors are connected securely and there are no contact problems. Result:
|
|
B | ![]() | CONNECT SECURELY |
C | ![]() | REPLACE HV BATTERY |
|
3. | READ VALUE USING GTS (HYBRID/EV BATTERY CELL VOLTAGE) |
(a) Read the Data List.
Powertrain > HV Battery > Data List
Tester Display |
---|
Hybrid/EV Battery Cell 1 Voltage |
Hybrid/EV Battery Cell 2 Voltage |
Hybrid/EV Battery Cell 3 Voltage |
Hybrid/EV Battery Cell 4 Voltage |
Hybrid/EV Battery Cell 5 Voltage |
Hybrid/EV Battery Cell 6 Voltage |
Hybrid/EV Battery Cell 7 Voltage |
Hybrid/EV Battery Cell 8 Voltage |
Hybrid/EV Battery Cell 9 Voltage |
Hybrid/EV Battery Cell 10 Voltage |
Hybrid/EV Battery Cell 11 Voltage |
Hybrid/EV Battery Cell 12 Voltage |
Hybrid/EV Battery Cell 13 Voltage |
Hybrid/EV Battery Cell 14 Voltage |
Hybrid/EV Battery Cell 15 Voltage |
Hybrid/EV Battery Cell 16 Voltage |
Hybrid/EV Battery Cell 17 Voltage |
Hybrid/EV Battery Cell 18 Voltage |
Hybrid/EV Battery Cell 19 Voltage |
Hybrid/EV Battery Cell 20 Voltage |
Hybrid/EV Battery Cell 21 Voltage |
Hybrid/EV Battery Cell 22 Voltage |
Hybrid/EV Battery Cell 23 Voltage |
Hybrid/EV Battery Cell 24 Voltage |
Hybrid/EV Battery Cell 25 Voltage |
Hybrid/EV Battery Cell 26 Voltage |
Hybrid/EV Battery Cell 27 Voltage |
Hybrid/EV Battery Cell 28 Voltage |
Hybrid/EV Battery Cell 29 Voltage |
Hybrid/EV Battery Cell 30 Voltage |
Hybrid/EV Battery Cell 31 Voltage |
Hybrid/EV Battery Cell 32 Voltage |
Hybrid/EV Battery Cell 33 Voltage |
Hybrid/EV Battery Cell 34 Voltage |
Hybrid/EV Battery Cell 35 Voltage |
Hybrid/EV Battery Cell 36 Voltage |
Hybrid/EV Battery Cell 37 Voltage |
Hybrid/EV Battery Cell 38 Voltage |
Hybrid/EV Battery Cell 39 Voltage |
Hybrid/EV Battery Cell 40 Voltage |
Hybrid/EV Battery Cell 41 Voltage |
Hybrid/EV Battery Cell 42 Voltage |
Hybrid/EV Battery Cell 43 Voltage |
Hybrid/EV Battery Cell 44 Voltage |
Hybrid/EV Battery Cell 45 Voltage |
Hybrid/EV Battery Cell 46 Voltage |
Hybrid/EV Battery Cell 47 Voltage |
Hybrid/EV Battery Cell 48 Voltage |
Hybrid/EV Battery Cell 49 Voltage |
Hybrid/EV Battery Cell 50 Voltage |
Hybrid/EV Battery Cell 51 Voltage |
Hybrid/EV Battery Cell 52 Voltage |
Hybrid/EV Battery Cell 53 Voltage |
Hybrid/EV Battery Cell 54 Voltage |
Hybrid/EV Battery Cell 55 Voltage |
Hybrid/EV Battery Cell 56 Voltage |
Hybrid/EV Battery Cell 57 Voltage |
Hybrid/EV Battery Cell 58 Voltage |
Hybrid/EV Battery Cell 59 Voltage |
Hybrid/EV Battery Cell 60 Voltage |
Result | Proceed to |
---|---|
There are two or more HV battery cell of 1.6 V or less in the data list item "Hybrid/EV Battery Cell 1 to 60 Voltage" |
A |
Other than above |
B |
(b) Turn the ignition switch off.
B | ![]() | GO TO STEP 5 |
|
4. | REPLACE BATTERY ECU ASSEMBLY |
Click here
NEXT | ![]() | REPLACE HV BATTERY |
5. | CHECK FREEZE FRAME DATA (HYBRID/EV BATTERY CELL VOLTAGE) |
(a) Read the value of freeze frame data items "Hybrid/EV Battery Cell 1 Voltage" through "Hybrid/EV Battery Cell 60 Voltage" for DTC P0E2D00 and make a note if the value of any is 1.6 V or less.
Powertrain > HV Battery > Trouble Codes
Result | Proceed to |
---|---|
The value of any of the freeze frame data items "Hybrid/EV Battery Cell 1 Voltage" through "Hybrid/EV Battery Cell 30 Voltage" is 1.6 V or less. |
A |
The value of any of the freeze frame data items "Hybrid/EV Battery Cell 31 Voltage" through "Hybrid/EV Battery Cell 60 Voltage" is 1.6 V or less. |
B |
Other than above |
C |
(b) Turn the ignition switch off.
B | ![]() | GO TO STEP 9 |
C | ![]() | REPLACE BATTERY ECU ASSEMBLY |
|
6. | CHECK HV BATTERY (HV BATTERY CELL VOLTAGE 1 - 30) |
CAUTION:
NOTICE:
Make sure to use tester probes with a diameter of approximately 0.5 mm (0.0197 in.) when measuring the voltage of each HV battery cell.
(a) Check that the service plug grip is not installed.
NOTICE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.
(b) Disconnect the battery ECU assembly connector. |
|
(c) Measure the voltage according to the value(s) in the table below.
HINT:
Measure the voltage of the HV battery cells whose value in the freeze frame data was 1.6 V or less only.
HV Battery Cell | Tester Connection |
Condition |
---|---|---|
1 | z37-19 (GA0) - z37-41 (VA1) |
Always |
2 | z37-41 (VA1) - z37-18 (VA2) |
Always |
3 | z37-18 (VA2) - z37-40 (VA3) |
Always |
4 | z37-40 (VA3) - z37-17 (VA4) |
Always |
5 | z37-17 (VA4) - z37-39 (VA5) |
Always |
6 | z37-39 (VA5) - z37-16 (VA6) |
Always |
7 | z37-16 (VA6) - z37-38 (VA7) |
Always |
8 | z37-38 (VA7) - z37-15 (VA8) |
Always |
9 | z37-15 (VA8) - z37-37 (VA9) |
Always |
10 | z37-37 (VA9) - z37-14 (VA10) |
Always |
11 | z37-14 (VA10) - z37-36 (VA11) |
Always |
12 | z37-36 (VA11) - z37-13 (VA12) |
Always |
13 | z37-13 (VA12) - z37-35 (VA13) |
Always |
14 | z37-35 (VA13) - z37-12 (VA14) |
Always |
15 | z37-12 (VA14) - z37-34 (VA15) |
Always |
16 | z37-34 (VA15) - z37-11 (VA16) |
Always |
17 | z37-11 (VA16) - z37-33 (VA17) |
Always |
18 | z37-33 (VA17) - z37-10 (VA18) |
Always |
19 | z37-10 (VA18) - z37-32 (VA19) |
Always |
20 | z37-32 (VA19) - z37-9 (VA20) |
Always |
21 | z37-9 (VA20) - z37-31 (VA21) |
Always |
22 | z37-31 (VA21) - z37-7 (VA22) |
Always |
23 | z37-29 (GA1) - z37-6 (VA23) |
Always |
24 | z37-6 (VA23) - z37-28 (VA24) |
Always |
25 | z37-28 (VA24) - z37-5 (VA25) |
Always |
26 | z37-5 (VA25) - z37-27 (VA26) |
Always |
27 | z37-27 (VA26) - z37-4 (VA27) |
Always |
28 | z37-4 (VA27) - z37-26 (VA28) |
Always |
29 | z37-26 (VA28) - z37-3 (VA29) |
Always |
30 | z37-3 (VA29) - z37-23 (VA30) |
Always |
CAUTION:
Make sure not to cross the electrodes of an electrical tester measurement terminals.
NOTICE:
Make sure to check the polarity of each terminal (positive (+) or negative (-)) before connecting a tester.
Result |
Proceed to |
---|---|
The voltage between the terminals is 1.6 V or less. |
A |
Other than above |
B |
(d) Reconnect the battery ECU assembly connector.
B | ![]() | REPLACE BATTERY ECU ASSEMBLY |
|
7. | CHECK BATTERY ECU ASSEMBLY (GA0 - VA30) |
NOTICE:
Make sure to use tester probes with a diameter of approximately 0.5 mm (0.0197 in.) when measuring the resistance.
(a) Remove the battery ECU assembly.
Click here
(b) Measure the resistance according to the value(s) in the table below.
HINT:
Only inspect the terminals of the battery ECU assembly which correspond to the HV battery cells which measured 1.6 V or less in the previous step.
*a | Component without harness connected (Battery ECU Assembly) |
- | - |
Standard Resistance:
HV Battery Cell | Tester Connection (Tester Probe Polarity) |
Condition | Specified Condition |
---|---|---|---|
1 | z37-19 (GA0) (-) - z37-41 (VA1) (+) |
Always | 50 kΩ or more |
2 | z37-41 (VA1) (-) - z37-18 (VA2) (+) |
Always | 50 kΩ or more |
3 | z37-18 (VA2) (-) - z37-40 (VA3) (+) |
Always | 50 kΩ or more |
4 | z37-40 (VA3) (-) - z37-17 (VA4) (+) |
Always | 50 kΩ or more |
5 | z37-17 (VA4) (-) - z37-39 (VA5) (+) |
Always | 50 kΩ or more |
6 | z37-39 (VA5) (-) - z37-16 (VA6) (+) |
Always | 50 kΩ or more |
7 | z37-16 (VA6) (-) - z37-38 (VA7) (+) |
Always | 50 kΩ or more |
8 | z37-38 (VA7) (-) - z37-15 (VA8) (+) |
Always | 50 kΩ or more |
9 | z37-15 (VA8) (-) - z37-37 (VA9) (+) |
Always | 50 kΩ or more |
10 | z37-37 (VA9) (-) - z37-14 (VA10) (+) |
Always | 50 kΩ or more |
11 | z37-14 (VA10) (-) - z37-36 (VA11) (+) |
Always | 50 kΩ or more |
12 | z37-36 (VA11) (-) - z37-13 (VA12) (+) |
Always | 50 kΩ or more |
13 | z37-13 (VA12) (-) - z37-35 (VA13) (+) |
Always | 50 kΩ or more |
14 | z37-35 (VA13) (-) - z37-12 (VA14) (+) |
Always | 50 kΩ or more |
15 | z37-12 (VA14) (-) - z37-34 (VA15) (+) |
Always | 50 kΩ or more |
16 | z37-34 (VA15) (-) - z37-11 (VA16) (+) |
Always | 50 kΩ or more |
17 | z37-11 (VA16) (-) - z37-33 (VA17) (+) |
Always | 50 kΩ or more |
18 | z37-33 (VA17) (-) - z37-10 (VA18) (+) |
Always | 50 kΩ or more |
19 | z37-10 (VA18) (-) - z37-32 (VA19) (+) |
Always | 50 kΩ or more |
20 | z37-32 (VA19) (-) - z37-9 (VA20) (+) |
Always | 50 kΩ or more |
21 | z37-9 (VA20) (-) - z37-31 (VA21) (+) |
Always | 50 kΩ or more |
22 | z37-31 (VA21) (-) - z37-7 (VA22) (+) |
Always | 50 kΩ or more |
23 | z37-29 (GA1) (-) - z37-6 (VA23) (+) |
Always | 50 kΩ or more |
24 | z37-6 (VA23) (-) - z37-28 (VA24) (+) |
Always | 50 kΩ or more |
25 | z37-28 (VA24) (-) - z37-5 (VA25) (+) |
Always | 50 kΩ or more |
26 | z37-5 (VA25) (-) - z37-27 (VA26) (+) |
Always | 50 kΩ or more |
27 | z37-27 (VA26) (-) - z37-4 (VA27) (+) |
Always | 50 kΩ or more |
28 | z37-4 (VA27) (-) - z37-26 (VA28) (+) |
Always | 50 kΩ or more |
29 | z37-26 (VA28) (-) - z37-3 (VA29) (+) |
Always | 50 kΩ or more |
30 | z37-3 (VA29) (-) - z37-23 (VA30) (+) |
Always | 50 kΩ or more |
NOTICE:
(c) Install the battery ECU assembly.
Result |
Proceed to |
---|---|
The voltage between the terminals is 50 kΩ or more. |
A |
Other than above |
B |
A | ![]() | REPLACE HV BATTERY |
|
8. | REPLACE HV BATTERY |
Click here
NEXT | ![]() | REPLACE BATTERY ECU ASSEMBLY |
9. | CHECK HV BATTERY (HV BATTERY CELL VOLTAGE 31 - 60) |
CAUTION:
NOTICE:
Make sure to use tester probes with a diameter of approximately 0.5 mm (0.0197 in.) when measuring the voltage of each HV battery cell.
(a) Check that the service plug grip is not installed.
NOTICE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair manual because this may cause a malfunction.
(b) Disconnect the battery ECU assembly connector. |
|
(c) Measure the voltage according to the value(s) in the table below.
HINT:
Measure the voltage of the HV battery cells whose value in the freeze frame data was 1.6 V or less only.
HV Battery Cell | Tester Connection |
Condition |
---|---|---|
31 | z38-22 (VAD) - z38-44 (VA31) |
Always |
32 | z38-44 (VA31) - z38-21 (VA32) |
Always |
33 | z38-21 (VA32) - z38-43 (VA33) |
Always |
34 | z38-43 (VA33) - z38-20 (VA34) |
Always |
35 | z38-20 (VA34) - z38-42 (VA35) |
Always |
36 | z38-42 (VA35) - z38-19 (VA36) |
Always |
37 | z38-19 (VA36) - z38-16 (VA37) |
Always |
38 | z38-35 (GA2) - z38-12 (VA38) |
Always |
39 | z38-12 (VA38) - z38-34 (VA39) |
Always |
40 | z38-34 (VA39) - z38-11 (VA40) |
Always |
41 | z38-11 (VA40) - z38-33 (VA41) |
Always |
42 | z38-33 (VA41) - z38-10 (VA42) |
Always |
43 | z38-10 (VA42) - z38-32 (VA43) |
Always |
44 | z38-32 (VA43) - z38-9 (VA44) |
Always |
45 | z38-9 (VA44) - z38-31 (VA45) |
Always |
46 | z38-31 (VA45) - z38-8 (VA46) |
Always |
47 | z38-8 (VA46) - z38-30 (VA47) |
Always |
48 | z38-30 (VA47) - z38-7 (VA48) |
Always |
49 | z38-7 (VA48) - z38-29 (VA49) |
Always |
50 | z38-29 (VA49) - z38-6 (VA50) |
Always |
51 | z38-6 (VA50) - z38-28 (VA51) |
Always |
52 | z38-28 (VA51) - z38-5 (VA52) |
Always |
53 | z38-5 (VA52) - z38-27 (VA53) |
Always |
54 | z38-27 (VA53) - z38-4 (VA54) |
Always |
55 | z38-4 (VA54) - z38-26 (VA55) |
Always |
56 | z38-26 (VA55) - z38-3 (VA56) |
Always |
57 | z38-3 (VA56) - z38-25 (VA57) |
Always |
58 | z38-25 (VA57) - z38-2 (VA58) |
Always |
59 | z38-2 (VA58) - z38-24 (VA59) |
Always |
60 | z38-24 (VA59) - z38-23 (VA60) |
Always |
CAUTION:
Make sure not to cross the electrodes of an electrical tester measurement terminals.
NOTICE:
Make sure to check the polarity of each terminal (positive (+) or negative (-)) before connecting a tester.
Result |
Proceed to |
---|---|
The voltage between the terminals is 1.6 V or less. |
A |
Other than above |
B |
(d) Reconnect the battery ECU assembly connector.
B | ![]() | REPLACE BATTERY ECU ASSEMBLY |
|
10. | CHECK BATTERY ECU ASSEMBLY (VAD - VA60) |
NOTICE:
Make sure to use tester probes with a diameter of approximately 0.5 mm (0.0197 in.) when measuring the resistance.
(a) Remove the battery ECU assembly.
Click here
(b) Measure the resistance according to the value(s) in the table below.
HINT:
Only inspect the terminals of the battery ECU assembly which correspond to the HV battery cells which measured 1.6 V or less in the previous step.
*a | Component without harness connected (Battery ECU Assembly) |
- | - |
Standard Resistance:
HV Battery Cell | Tester Connection (Tester Probe Polarity) |
Condition | Specified Condition |
---|---|---|---|
31 | z38-22 (VAD) (-) - z38-44 (VA31) (+) |
Always | 50 kΩ or more |
32 | z38-44 (VA31) (-) - z38-21 (VA32) (+) |
Always | 50 kΩ or more |
33 | z38-21 (VA32) (-) - z38-43 (VA33) (+) |
Always | 50 kΩ or more |
34 | z38-43 (VA33) (-) - z38-20 (VA34) (+) |
Always | 50 kΩ or more |
35 | z38-20 (VA34) (-) - z38-42 (VA35) (+) |
Always | 50 kΩ or more |
36 | z38-42 (VA35) (-) - z38-19 (VA36) (+) |
Always | 50 kΩ or more |
37 | z38-19 (VA36) (-) - z38-16 (VA37) (+) |
Always | 50 kΩ or more |
38 | z38-35 (GA2) (-) - z38-12 (VA38) (+) |
Always | 50 kΩ or more |
39 | z38-12 (VA38) (-) - z38-34 (VA39) (+) |
Always | 50 kΩ or more |
40 | z38-34 (VA39) (-) - z38-11 (VA40) (+) |
Always | 50 kΩ or more |
41 | z38-11 (VA40) (-) - z38-33 (VA41) (+) |
Always | 50 kΩ or more |
42 | z38-33 (VA41) (-) - z38-10 (VA42) (+) |
Always | 50 kΩ or more |
43 | z38-10 (VA42) (-) - z38-32 (VA43) (+) |
Always | 50 kΩ or more |
44 | z38-32 (VA43) (-) - z38-9 (VA44) (+) |
Always | 50 kΩ or more |
45 | z38-9 (VA44) (-) - z38-31 (VA45) (+) |
Always | 50 kΩ or more |
46 | z38-31 (VA45) (-) - z38-8 (VA46) (+) |
Always | 50 kΩ or more |
47 | z38-8 (VA46) (-) - z38-30 (VA47) (+) |
Always | 50 kΩ or more |
48 | z38-30 (VA47) (-) - z38-7 (VA48) (+) |
Always | 50 kΩ or more |
49 | z38-7 (VA48) (-) - z38-29 (VA49) (+) |
Always | 50 kΩ or more |
50 | z38-29 (VA49) (-) - z38-6 (VA50) (+) |
Always | 50 kΩ or more |
51 | z38-6 (VA50) (-) - z38-28 (VA51) (+) |
Always | 50 kΩ or more |
52 | z38-28 (VA51) (-) - z38-5 (VA52) (+) |
Always | 50 kΩ or more |
53 | z38-5 (VA52) (-) - z38-27 (VA53) (+) |
Always | 50 kΩ or more |
54 | z38-27 (VA53) (-) - z38-4 (VA54) (+) |
Always | 50 kΩ or more |
55 | z38-4 (VA54) (-) - z38-26 (VA55) (+) |
Always | 50 kΩ or more |
56 | z38-26 (VA55) (-) - z38-3 (VA56) (+) |
Always | 50 kΩ or more |
57 | z38-3 (VA56) (-) - z38-25 (VA57) (+) |
Always | 50 kΩ or more |
58 | z38-25 (VA57) (-) - z38-2 (VA58) (+) |
Always | 50 kΩ or more |
59 | z38-2 (VA58) (-) - z38-24 (VA59) (+) |
Always | 50 kΩ or more |
60 | z38-24 (VA59) (-) - z38-23 (VA60) (+) |
Always | 50 kΩ or more |
NOTICE:
(c) Install the battery ECU assembly.
Result |
Proceed to |
---|---|
The voltage between the terminals is 50 kΩ or more. |
A |
Other than above |
B |
A | ![]() | REPLACE HV BATTERY |
|
11. | REPLACE HV BATTERY |
Click here
NEXT | ![]() | REPLACE BATTERY ECU ASSEMBLY |