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DTC Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
  1. The ignition switch is OFF.
  2. Disconnect TCM connector and CVT unit connector.
  3. Check continuity between TCM harness connector terminal and CVT unit harness connector terminal.
    TCMCVT unitContinuity
    ConnectorTerminalConnectorTerminal
    F7539F743Existed
Is the inspection result normal?
.
Repair or replace damaged parts.
 
2.CHECK CIRCUIT BETWEEN CVT UNIT AND GROUND
Check resistance between CVT unit harness connector terminal and ground.
CVT unit—ConditionResistance
ConnectorTerminal
F2093GroundCVT fluid temperature: 20°C (68°F)5.5 – 7.0 Ω
CVT fluid temperature: 50°C (122°F)6.0 – 8.0 Ω
CVT fluid temperature: 80°C (176°F)6.5 – 8.5 Ω
Is the inspection result normal?
INSPECTION END
.
 
3.CHECK CIRCUIT BETWEEN CVT UNIT AND CONTROL VALVE
  1. Disconnect control valve connector. Refer to Removal and Installation.
  2. Check continuity between CVT unit harness connector terminal and control valve harness connector terminal.
    CVT unitControl valveContinuity
    ConnectorTerminalConnectorTerminal
    F2093F2072Existed
Is the inspection result normal?
.
Replace terminal cord assembly. Refer to Removal and Installation.
 
4.CHECK CIRCUIT BETWEEN CONTROL VALVE AND GROUND
Check resistance between control valve harness connector terminal and ground.
Control valve—ConditionResistance
Terminal
2GroundCVT fluid temperature: 20°C (68°F)5.5 – 7.0 Ω
CVT fluid temperature: 50°C (122°F)6.0 – 8.0 Ω
CVT fluid temperature: 80°C (176°F)6.5 – 8.5 Ω
Is the inspection result normal?
INSPECTION END
There is malfunction of secondary pressure solenoid valve. Replace control valve assembly. Refer to Removal and Installation.