DESCRIPTION
Refer to the description for DTC P0AE411.
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DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
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P0AD911 | Hybrid/EV Battery Positive Contactor Circuit Short to Ground | Short to ground in the SMRB circuit: Primary circuit of SMR (+) is malfunctioning. (2 trip detection logic) |
| Does not come on | Master Warning Light: Comes on |
DTC No. | Data List |
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P0AD911 |
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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.
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HINT:
WIRING DIAGRAM
Refer to the wiring diagram for the HV battery high-voltage line circuit.
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CAUTION / NOTICE / HINT
CAUTION:
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HINT:
Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.
*a | Without waiting for 10 minutes |
NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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HINT:
If DTC P0AD911 is output, the power switch cannot be turned on (READY).
PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - BODY GROUND) |
(a) Disconnect the G59 hybrid vehicle control ECU connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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(c) Reconnect the G59 hybrid vehicle control ECU connector.
OK | ![]() | REPLACE HYBRID VEHICLE CONTROL ECU |
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2. | CHECK CONNECTOR CONNECTION CONDITION (FLOOR WIRE CONNECTOR) |
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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 |
B | ![]() | CONNECT SECURELY |
C | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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3. | CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - HV BATTERY JUNCTION BLOCK ASSEMBLY) |
CAUTION:
Be sure to wear insulated gloves.
(a) Check that the service plug grip is not installed.
NOTICE:
After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.
(b) Remove the No. 1 HV battery cover panel RH.
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(c) Disconnect the N22 HV battery junction block assembly connector. |
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(d) Disconnect the G59 hybrid vehicle control ECU connector.
(e) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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(f) Reconnect the G59 hybrid vehicle control ECU connector.
(g) Reconnect the N22 HV battery junction block assembly connector.
(h) Install the No. 1 HV battery cover panel RH.
OK | ![]() | REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |