MSB is released for this page as follows:
| Release Date | Subject | MSB No. |
|---|
| 2014-01-13 | CAUTION STATEMENTS REGARDING MAINTENANCE OF HIGH VOLTAGE PARTS | MSB-13EXML54-006A |
| 2014-01-17 | CAUTION STATEMENTS REGARDING MAINTENANCE OF HIGH VOLTAGE PARTS | MSB-13EXML54-006B |
| 2019-07-30 | Correction of the name and number of connector of Diagnosis Procedure and Circuit Diagrams about Regular Charging Connection Signal. | MSB-19EXML54_90-501 |
Code No. P1B2A:
Regular charging connection signal, short to earth
REGULAR CHARGING CONTROL SYSTEM CIRCUIT
OPERATION
- The EV-ECU judges whether or not the charging cable is
connected from the regular charging connection signal voltage.
DIAGNOSIS CODE SET CONDITIONS
- When the charging cable connection signal voltage of
0.62 V or less continues for 5 seconds or longer, the diagnosis code No. P1B2A will be set.
PROBABLE CAUSES
- Damaged wiring harness or connector(s)
- Malfunction of the charging cable
- Malfunction of the EV-ECU
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STEP 1. Diagnosis code recheck
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Check again if the diagnosis code is set when the charging cable are connected.
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Q.
Is the diagnosis code set?
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 Go to Step 2.
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 Go to Step 3.
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STEP 2. Charging cable check
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Check the charging cable. (Refer to  .)
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Q.
Is the check result normal?
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Go to Step 3.
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Replace the charging cable.
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STEP 3. Measure the resistance at C-111 EV-ECU connector.
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Check the signal lines for open circuit. Do not connect the charging cable.
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(1)C-111 Disconnect the EV-ECU connector, and measure the resistance at the wiring
harness side.
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(2)Measure the resistance between the C-111 EV-ECU connector terminal No. 103 and
the body earth.
OK: 2,430 - 2,970Ω (at 20°C)
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Q.
Is the check result normal?
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Go to Step 6.
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Go to Step 4.
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STEP 4. Connector check: G-03 regular charger connection, C-111 EV-ECU
connector, G-04 earth connector
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Q.
Is the check result normal?
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Go to Step 5.
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Repair the damaged connector.
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STEP 5. Check the wiring harness between C-111 EV-ECU connector terminal
No. 103 and G-03 regular charging connection terminal No. 4 and G-04 earth.
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Check the signal lines for open circuit.
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Q.
Is the check result normal?
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Go to Step 6.
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Repair the wiring harness.
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STEP 6. Diagnosis code recheck
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Check again if the diagnosis code is set to the EV-ECU.
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(1)Erase the stored diagnosis code.
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(2)Set the electric motor switch from the "LOCK" (OFF) position to the "ON" position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
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Replace the EV-ECU. (Refer to .) Then go to
Step 7.
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunction .)
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STEP 7. Diagnosis code recheck
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Check again if the diagnosis code is set to the EV-ECU.
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(1)Erase the stored diagnosis code.
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(2)Set the electric motor switch from the "LOCK" (OFF) position to the "ON" position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
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Return to Step 1.
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The diagnosis is complete.
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