DTC P0772 [GENERAL (L.H.D.) SPECS. SPORT AT (FN4A-EL)]
id0502a18093a7
DTC P0772 |
Shift solenoid E stuck ON |
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DETECTION CONDITION
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• When any of DTC P0731, P0733, and P0734 are not generated, and all of the following conditions are satisfied under each of following throttle conditions.
• Accelerator pedal conditions.
Diagnostic support note:
• This is a continuous monitor (CCM).
• MIL illuminates if TCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the TCM.
• PENDING CODE is available if TCM detects the above malfunction condition during first drive cycle.
• FREEZE FRAME DATA is available.
• AT warning light illuminates.
• DTC is stored in the TCM memory.
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POSSIBLE CAUSE
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• ATF level low.
• Deteriorated ATF.
• Shift solenoid E stuck.
• Control valve stuck.
• TCM malfunction.
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME PID DATA been recorded?
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Yes
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Go to next step.
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No
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Record FREEZE FRAME PID DATA on repair order, then go to next step.
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2
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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.
• If vehicle is not repaired, go to next step.
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No
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Go to next step.
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3
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CHECK ATF CONDITION
• Turn ignition key to OFF.
• Check ATF condition.
• Is it okay?
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Yes
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Go to next step.
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No
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If ATF color milky or reddish brown, replace ATF, then go to Step 5.
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4
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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 7.
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5
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INSPECT LINE PRESSURE
• Start engine.
• Measure line pressure.
Specification
D, M (1GR, 2GR) range
Idle: 330—470 kPa {3.4—4.8 kgf/cm2,
48—68 psi}
Stall: 1,160—1,320 kPa {11.8—13.5 kgf/cm2, 168—191 psi}
R position
Idle: 490—710 kPa {5.0—7.2 kgf/cm2,
71—102 psi}
Stall: 1,640—1,970 kPa {16.8—20.0 kgf/cm2, 238—285 psi}
• Is line pressure within specification?
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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 or control valve body, then go to Step 7.
• Any ranges: Replace ATX, then go to Step 7.
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6
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CHECK OPERATION OF EACH VALVE AND EACH SPRING
• Turn ignition key to OFF.
• Remove control valve body.
• Disassemble control valve body.
• Is each valve operation okay and is return spring okay?
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Yes
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Replace ATX, then go to next step.
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No
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Repair or replace shift valve and return spring, then go to next step.
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7
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VERIFY TROUBLESHOOTING OF DTC P0772 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from memory using WDS or equivalent.
• Start engine.
• Warm up the engine until the TCM PID TFT is 20 °C or more.
• Display the PCM PID APP.
• Drive the vehicle according to the accelerator opening angle driving conditions under the following conditions.
• Accelerator pedal conditions.
• Are any DTCs present?
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Yes
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Replace TCM, then go to next step.
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No
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Go to next step.
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8
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VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
• Are any DTCs present?
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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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