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Q.
Is the diagnosis code other than the pressure switch set? (Is the code other than P0841, P0846, P0871, P0876, and P0988 set?)
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Check and repair the relevant diagnosis code system.
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[C-137 A/T-ECU connector (vehicle side, connected)]
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Measure the voltage between C-137 terminal No. 44 and body earth.
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- 2-6 brake engaged: 0 V
- Other than above: System voltage
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Q.
Is the check result normal?
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Check for continuity between C-137 A/T-ECU connector and B-132 A/T control solenoid valve assembly connector.
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- Between C-137 terminal No. 44 and B-132 terminal No. 10: Continuity exists.
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When the continuity check result is OK, check that the wiring harness is not shorted to the body and other wiring harness.
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Q.
Is the check result normal?
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Repair or replace the failure section.
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Q.
Is the check result normal?
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Repair or replace the failure section.
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Check for continuity between the B-132 A/T control solenoid valve assembly connector terminals and 2-6 brake pressure switch connector terminals.
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- Between B-132 terminal No. 10 and 2-6 brake pressure switch: Continuity exists.
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When the continuity check result is OK, check that the wiring harness is not shorted to the body and other wiring harness.
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Q.
Is the check result normal?
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Repair or replace the failure section.
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Check for continuity between the 2-6 brake pressure switch body and earth.
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- Between the 2-6 brake pressure switch body and body earth: Continuity exists.
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Q.
Is the check result normal?
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Replace the valve body assembly, and then go to Step 8.
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Repair or replace the failure section.
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Q.
Is the check result normal?
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Repair or replace the failure section.
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Check that the normal code is displayed.
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Q.
Is the check result normal?
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The procedure is complete.
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Check that the normal code is displayed.
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Q.
Is the check result normal?
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The procedure is complete.
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