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Diagnosis Procedure
1.CHECK SECOND SEAT HEATER LH GROUND CIRCUIT (OPEN)
  1. Electric motor switch OFF.
  2. Disconnect second seat heater LH connector.
  3. Check continuity between second seat heater LH harness connector and ground.
    Second seat heater LH–Continuity
    ConnectorTerminal
    B5267GroundExisted
Is the inspection result normal?
Repair the harness or connector.
 
2.CHECK SECOND SEATBACK HEATER LH CIRCUIT (OPEN)
Check continuity between second seatback heater LH harness connector and second seat heater LH harness connector.
Second seatback heater LHSecond seat heater LHContinuity
ConnectorTerminalConnectorTerminal
B4122B5267Existed
Is the inspection result normal?
Replace seat cushion pad. Refer to Disassembly and Assembly.
 
3.CHECK SECOND SEATBACK HEATER LH GROUND CIRCUIT (OPEN)
  1. Disconnect second seatback heater LH connector.
  2. Check continuity between second seatback heater LH harness connector and second seat heater LH harness connector.
    Second seatback heater LHSecond seat heater LHContinuity
    ConnectorTerminalConnectorTerminal
    B4121B5267Existed
Is the inspection result normal?
Replace seatback pad. Refer to Disassembly and Assembly.
Replace seat cushion pad. Refer to Disassembly and Assembly.