Diagnostic procedure
STEP
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INSPECTION
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ACTION
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1
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Check for related Service Bulletins availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to available repair information.
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No
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Go to next step.
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2
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CHECK ATF CONDITION
• Check ATF condition.
• Is it normal?
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Yes
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Go to next step.
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No
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Replace transaxle, then go to Step 8.
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3
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CHECK ATF LEVEL
• Start engine.
• Warm up ATX.
• Is ATF level within specification?
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Yes
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Go to next step.
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No
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Adjust ATF level, then go to Step 8.
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4
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INSPECT SHIFT SOLENOID VALVE A AND D FOR CLICK SOUND
• Perform inspection of operation. (See SOLENOID VALVE INSPECTION [FN4A-EL].)
• Verify the click sound of shift solenoids A and D when applying B+ to each transaxle connector terminal.
• Was click heard from solenoids?
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Yes
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Go to next step.
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No
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Replace solenoid that you could not hear click sound from, then go to Step 8.
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5
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INSPECT LINE PRESSURE
• Start engine.
• Measure line pressures.
Specification D, S, L rangeIdle: 330-470 kPa {3.4-4.7 kgf/cm2, 48-68 psi} Stall: 1,030-1,190 kPa {10.5-12.1 kgf/cm2, 150-172 psi} R positionIdle: 490-710 kPa {5.0-7.2 kgf/cm2, 71-102 psi} Stall: 1,700-2,050 kPa {17.4-20.9 kgf/cm2, 247-297 psi}
• Is line pressure within specification?
(See Line Pressure Test.)
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Yes
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Go to next step.
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No
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All ranges: Replace oil pump, then go to Step 8.
Any ranges: Replace control valve body, then go to Step 8. (See CONTROL VALVE BODY REMOVAL [FN4A-EL], CONTROL VALVE BODY INSTALLATION [FN4A-EL].)
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6
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INSPECT STALL SPEED
• Measure stall speed in D range.
(See Stall Test.)
Specification 2,000-2,600 rpm
• Is stall speed within specification?
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Yes
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Go to next step.
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No
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Replace automatic transaxle, then go to Step 8.
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7
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INSPECT FREQUENCY OF INPUT/TURBINE SPEED SENSOR WHEN DRIVING VEHICLE
• Turn the ignition switch off.
• Connect WDS or equivalent.
• Start engine.
• Measure frequency of input/turbine speed sensor while driving vehicle under the following conditions:
{49 mph}
• Was frequency of input/turbine speed sensor at approx. 1,200 Hz?
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Yes
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Go to next step.
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No
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Replace control valve body, then go to next step.
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8
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VERIFY REPAIR OF DTC P0732
• Make sure to reconnect all disconnected connectors.
• Clear DTC using WDS or equivalent.
• Start engine.
• Warm up transaxle.
• Drive vehicle under the following conditions for more than 5 s.
{31 mph} or above
• Are any DTCs present?
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Yes
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Replace PCM, then go to next step.
(See PCM REMOVAL/INSTALLATION.)
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No
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Go to next step.
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9
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VERIFY AFTER REPAIR PROCEDURE
• Are any DTCs present?
• Perform "After Repair Procedure".
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Yes
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Go to applicable DTC inspection.
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No
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Troubleshooting completed.
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