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If only the speedometer does not operate, the
engine-ECU <M/T> or engine-A/T-ECU
<A/T> system, the combination meter, the wiring harness
or its connector may be defective. Furthermore, incorrect level of fuel is
shown on the gauge, because the display unit can not learn the fuel
gauge.
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- Damaged harness wires and connectors
- Malfunction of engine-ECU <M/T> or
engine-A/T-ECU <A/T>
- Malfunction of combination meter
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Use the M.U.T.-III to diagnose the CAN bus
lines.
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Q.
Is the check result satisfactory?
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Repair the CAN bus lines (Refer
to GROUP 54F, Diagnosis - Can Bus Diagnostic Table ). After diagnosing the CAN bus
lines, go to Step 5.
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Check whether the MPI system-related diagnosis
code is set.
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Q.
Is the diagnosis code set?
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Diagnose MPI system. (Refer to
GROUP 13A, Troubleshooting or GROUP 13B, Troubleshooting .) After diagnosing the MPI
system, go to Step 5.
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- Item No.82: Vehicle speed sensor malfunction flag (Refer to
.)
- Item No.83: Vehicle speed sensor definite flag (Refer to
.)
- Item No.84: Vehicle stopped flag (Refer to
.)
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Q.
Is the check result satisfactory?
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Diagnose MPI system. (Refer to
GROUP 13A, Troubleshooting or GROUP 13B, Troubleshooting .) After diagnosing the MPI
system, go to Step 5.
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(1)Connect the M.U.T.-III to the diagnosis
connector.
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(2)Use the M.U.T.-III to enter simulated vehicle
speed. OK: The speedometer shows that simulated vehicle
speed.
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Q.
Is the check result satisfactory?
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Replace combination meter, then
go to Step 5.
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Check that the speedometer works
normally.
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Q.
Is the check result satisfactory?
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The
procedure is complete.
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