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DTC Troubleshooting: B12E3
DTC B12E3: Electric Steering Lock High Level Failure of MTRCUT1
NOTE:
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Before troubleshooting, make sure the fuses associated with the system is OK. |
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DTC Description |
DTC |
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B12E3 Electric Steering Lock High Level Failure of MTRCUT1 |
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1. |
Problem verification:
Problem verification
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?1. |
Clear the DTCs with the HDS.
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?2. |
Do this procedure ten times: Press the engine start/stop switch to select the OFF (LOCK), ACCESSORY, ON, and OFF (LOCK) mode. |
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?3. |
Check for DTCs with the HDS.
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DTC Description |
DTC |
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B12E3 Electric Steering Lock High Level Failure of MTRCUT1 |
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Is DTC B12E3 indicated?
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Intermittent failure, the system is OK at this time. Check for loose or poor connections.? |
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2. |
Open wire check (GND line):
Open wire check (GND line)
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?1. |
Turn the vehicle to the OFF (LOCK) mode. |
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?2. |
Disconnect the following connector.
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Electric steering lock 12P connector | |
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?3. |
Check for continuity between test points 1 and 2.
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Test condition |
Vehicle OFF (LOCK) mode
Electric steering lock 12P connector: disconnected |
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Test point 1 |
Electric steering lock 12P connector (female terminals) No. 7:  |
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Test point 2 |
Body ground | |
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Is there continuity?
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The GND wire is OK. Go to step 3. |
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Repair an open or high resistance in the ground wire or poor ground (G401).? |
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3. |
Open wire check (MTR CUT1(CONT) line):
Open wire check (MTR CUT1(CONT) line)
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?1. |
Disconnect the following connector.
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Body control module connector G (32P) | |
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?2. |
Check for continuity between test points 1 and 2.
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Test condition |
Vehicle OFF (LOCK) mode
Electric steering lock 12P connector: disconnected
Body control module connector G (32P): disconnected |
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Test point 1 |
Electric steering lock 12P connector (female terminals) No. 2:  |
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Test point 2 |
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Is there continuity?
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Repair an open or high resistance in the wire.? | | 