4 |
Vehicle moves in N position |
DESCRIPTION |
• Vehicle creeps in N position.
• Vehicle creeps if brake pedal is not depressed in N position.
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POSSIBLE CAUSE |
• Clutch burned (low clutch, low one-way clutch, low and reverse brake).
• Control valve body malfunction (improper operation, stuck, clogged oil passage).
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Diagnostic procedure
STEP
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INSPECTION
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ACTION
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1
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Does the vehicle creep when the selector lever is moved slightly in N position?
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Yes
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Go to the next step.
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No
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Inspect the selector lever and TR switch.
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2
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Disconnect the TCM connector.
Is the resistance between ground terminal 2M or 2Q at the TCM connector and body ground 5.0 ohms or less?
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Yes
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Go to the next step.
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No
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Repair open ground circuit.
Reconnect the TCM.
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3
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Inspect the pressure control solenoid circuit.
(See SOLENOID VALVE INSPECTION.)
Is it normal?
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Yes
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Overhaul the control valve body and repair or replace any malfunctioning parts.
(See AT Workshop Manual.)
If the problem remains, overhaul the transmission and repair or replace any malfunctioning parts.
(See AT Workshop Manual.)
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No
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Repair or replace any malfunctioning parts.
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4
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Verify the test results.
• If normal, return to the diagnostic index to service any additional symptoms.
• If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
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