[Previous][Next]
Diagnosis Procedure
1.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
  1. Ignition switch ON.
  2. Check signal between Keyless operation key unit harness connector and ground using oscilloscope.
    (+)(–)ConditionSignal
    (Reference value)
    Keyless operation key unit
    ConnectorTerminal
    M18435GroundWhen the door request switch (front door LH or rear door LH) is operated with ignition switch ONWhen Keyless operation key is in the antenna detection area
    When Keyless operation key is not in the antenna detection area
    36When Keyless operation key is in the antenna detection area
    When Keyless operation key is not in the antenna detection area
Is the inspection result normal?
Replace Keyless operation key unit. Refer to Removal and Installation.
.
 
2.CHECK OUTSIDE KEY ANTENNA CIRCUIT
  1. Ignition switch OFF.
  2. Disconnect Keyless operation key unit connector and outside key antenna (rear door LH) connector.
  3. Check continuity between Keyless operation key unit harness connector and outside key antenna (rear door LH) connector.
    Keyless operation key unitOutside key antenna (rear door LH)Continuity
    ConnectorTerminalConnectorTerminal
    M18435D2092Existed
    361
  4. Check continuity between Keyless operation key unit harness connector and ground.
    Keyless operation key unit—Continuity
    ConnectorTerminal
    M18435GroundNot existed
    36
Is the inspection result normal?
.
Repair or replace harness.
 
3.CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
  1. Replace outside key antenna (rear door LH). (New antenna or other antenna)
  2. Connect Keyless operation key unit connector and outside key antenna (rear door LH) connector.
  3. Ignition switch ON.
  4. Check signal between Keyless operation key unit harness connector and ground using oscilloscope.
    (+)(–)ConditionSignal
    (Reference value)
    Keyless operation key unit
    ConnectorTerminal
    M18435GroundWhen the door request switch (front door LH or rear door LH) is operated with ignition switch ONWhen Keyless operation key is in the antenna detection area
    When Keyless operation key is not in the antenna detection area
    36When Keyless operation key is in the antenna detection area
    When Keyless operation key is not in the antenna detection area
Is the inspection result normal?
Replace outside key antenna (rear door LH). Refer to Removal and Installation.
Replace Keyless operation key unit. Refer to Removal and Installation.