Code No.P0958:
Select switch (sport mode switch) system
OPERATION
The select switch detects the shift range (sport mode) which the driver has selected,
and sends the information to the A/T-ECU.
COMMENTS ON TROUBLE SYMPTOM
While the engine is running, when the selector lever is in P/R/N position,
if the sport mode ON status from the select switch continues for 2 seconds (1 drive cycle),
code No.P0958 is set.
PROBABLE CAUSES
- Malfunction of select switch
- Damaged harness wires and connectors
- Malfunction of the A/T-ECU
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STEP 1. M.U.T.-III data list
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Check the above data list (Refer to data list reference table ).
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Q.
Is the check result normal?
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Go to Step 5.
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Go to Step 2.
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STEP 2. Check the shift switch (sport mode switch).
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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 selector lever assembly.
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STEP 3. Measure the voltage at A/T-ECU connector
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(1)Disconnect the connector, and measure the voltage between terminal MSW line and
earth at the harness side.
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(2)Turn the ignition switch to the ON position.
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(3)Selector lever position: Sport mode. OK: System voltage
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(4)Selector lever position: Other than above. OK: 1 V or less
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Q.
Is the check result normal?
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Go to Step 5.
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Go to Step 4.
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STEP 4. Check for short circuit in MSW line between shift switch assembly
connector and A/T-ECU 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 connector(s) or the wiring harness.
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STEP 5. Check whether the diagnosis code is set again.
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Check again if the diagnosis code is set.
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Q.
Is diagnosis code No.P0958 set?
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Replace the A/T-ECU.
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Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent
Malfunction).
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