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Use M.U.T.-III to perform the CAN bus diagnosis.
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Q.
Is the check result normal?
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Repair the CAN bus lines (Refer to GROUP 54C -
Troubleshooting). After
repairing the CAN bus line, go to Step 2.
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Q.
Is diagnosis code No.C1614 set?
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This diagnosis is complete.
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Check the following data list (Refer to ).
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- Item No.29: Parking brake SW (CAN input)
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Q.
Is the check result normal?
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Check the parking brake switch (Refer to GROUP 36 -
On-vehicle Service).
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Q.
Is the check result normal?
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Replace the parking brake switch. (Refer to GROUP 36 -
Parking Brake
Lever). Then go to Step 7.
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(1)Disconnect the connector, and measure at the wiring harness side.
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(2)Resistance between parking brake switch connector terminal No.1 and body earth. OK: No continuity
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Q.
Is the check result normal?
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Check the power supply line for short circuit.
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Q.
Is the check result normal?
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Replace the combination meter (Refer to GROUP 54A -
Combination Meter).
Then go to Step 7.
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Repair the defective connector or the wiring harness. Then go to Step 7.
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Q.
Is diagnosis code No.C1614 set?
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Replace the AWC-ECU. (Refer to ). Then go
to Step 8.
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Intermittent malfunction. (Refer to GROUP 00 -
How to Cope with Intermittent
Malfunction).
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Q.
Is diagnosis code No.C1614 set?
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This diagnosis is complete.
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