HYBRID / BATTERY CONTROL HYBRID CONTROL SYSTEM P0ADD11 Hybrid/EV Battery Negative Contactor Circuit Short to Ground
DESCRIPTION
Refer to the description for DTC P0AD911.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | Note |
|---|---|---|---|---|---|---|
| P0ADD11 | Hybrid/EV Battery Negative Contactor Circuit Short to Ground | Short to ground in the SMRG circuit:
Primary circuit of SMR (-) is malfunctioning. (2 trip detection logic) |
·
Wire harness or connector ·
HV battery junction block assembly ·
Hybrid vehicle control ECU |
Does not come on | Master Warning:
Comes on |
SAE Code:
P0ADF |
CONFIRMATION DRIVING PATTERN
- HINT:
-
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Connect the GTS to the DLC3.
Turn the ignition switch to ON and turn the GTS on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
Turn the ignition switch off and wait for 2 minutes or more.
Turn the ignition switch to ON (READY) and wait for 30 seconds or more.
Turn the ignition switch off and wait for 2 minutes or more.
Turn the ignition switch to ON and turn the GTS on.
Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
Check the DTC judgment result.
- HINT:
- ·
If the judgment result shows NORMAL, the system is normal.
·If the judgment result shows ABNORMAL, the system has a malfunction.
·If the judgment result shows INCOMPLETE, perform driving pattern again.
WIRING DIAGRAM
Refer to the wiring diagram for the HV Battery High-voltage Line Circuit.
CAUTION / NOTICE / HINT
- CAUTION:
-
Refer to the precautions before inspecting high voltage circuit.
- NOTICE:
- ·
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
·When disconnecting and reconnecting the auxiliary battery
- HINT:
-
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
- HINT:
-
If DTC P0ADD11 is output, the ignition switch cannot be turned to ON (READY).
PROCEDURE
Disconnect the hybrid vehicle control ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition I278-27 (SMRG) - Body ground Ignition switch off 20.6 to 40.8 Ω
Reconnect the hybrid vehicle control ECU connector.
- Result:
Proceed to OK NG
OK
NG
- Result:
Result Proceed to OK A NG (The connector is not connected securely.) B NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C
A
B
C
- CAUTION:
-
Be sure to wear insulated gloves.
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.
Disconnect the HV battery junction block assembly connector.
Disconnect the hybrid vehicle control ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition I278-27 (SMRG) or O219-6 (SMRG) - Body ground and other terminals Ignition switch off 10 kΩ or higher
Reconnect the hybrid vehicle control ECU connector.
Reconnect the HV battery junction block assembly connector.
- Result:
Proceed to OK NG
OK
NG