Inspection Procedure

INSPECT FUSE (RR S/HTR)
1. Remove the RR S/HTR fuse from the luggage room J/B.
2. Measure the resistance.
  Standard: Below 1 Ω
NG: REPLACE FUSE

OK: Go to next step.
CHECK WIRE HARNESS (SEAT CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU) - BODY GROUND))
1. Disconnect the C27 or C29 blower connector.
2. Measure the voltage of the wire harness side connector.
  Standard:
  
  Rear LH
  
  Fig 1: Terminals Voltage Reference Chart (Rear LH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Rear RH
  
  Fig 2: Terminals Voltage Reference Chart (Rear RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 3: Checking Wire Harness (Seat Climate Control Blower (Seat Climate Control ECU) - Body Ground))
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: Go to step 5

OK: Go to next step.
CHECK WIRE HARNESS (SEAT CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU) - BODY GROUND)
1. Disconnect the C27 or C29 blower connector.
2. Measure the resistance between the wire harness side.
  Standard:
  
  Rear LH
  
  Fig 4: Terminals Resistance Reference Chart (Rear LH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Rear RH
  
  Fig 5: Terminals Resistance Reference Chart (Rear RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 6: Checking Wire Harness (Seat Climate Control Blower (Seat Climate Control ECU) - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step.
CHECK WIRE HARNESS (SEAT CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU) - BODY GROUND)
1. Disconnect the C27 or C29 blower connector.
2. Measure the resistance of the wire harness side connector.
  Standard:
  
  Rear LH
  
  Fig 7: Terminals Resistance Reference Chart (Rear LH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Rear RH
  
  Fig 8: Terminals Resistance Reference Chart (Rear RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 9: Checking Wire Harness (Seat Climate Control Blower (Seat Climate Control ECU) - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: Go to step 10

OK: REPLACE CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU)
CHECK WIRE HARNESS (LUGGAGE ROOM J/B ASSY - BODY GROUND)
1. Disconnect the LC J/B connector.
2. Measure the voltage of the J/B terminal.
  Standard:
  
  Rear LH
  
  Fig 10: Terminals Voltage Reference Chart (Rear LH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Rear RH
  
  Fig 11: Terminals Voltage Reference Chart (Rear RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 12: Checking Wire Harness (Luggage Room J/B Assy - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: Go to step 6

OK: REPAIR OR REPLACE HARNESS AND CONNECTOR (LUGGAGE ROOM J/B ASSY - CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU))
CHECK WIRE HARNESS (LUGGAGE ROOM J/B ASSY - BODY GROUND)
1. Disconnect the LL J/B terminal.
2. Measure the voltage of the wire harness side terminal.
  Standard:
  
  Fig 13: Terminals Voltage Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 14: Checking Wire Harness (Luggage Room J/B Assy - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step.
CHECK WIRE HARNESS (LUGGAGE ROOM J/B ASSY - BODY GROUND)
1. Disconnect the LA J/B connector.
2. Measure the resistance of the wire harness side connector.
  Standard:
  
  Fig 15: Terminals Resistance Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 16: Checking Wire Harness (Luggage Room J/B Assy - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step.
INSPECT RELAY (L-IG1)
1. Remove the L-IG1 relay from the luggage room J/B.
2. Measure the resistance.
  Standard:
  
  Fig 17: Resistance Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 18: Inspecting Relay (L-IG1)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE RELAY

OK: Go to next step.
CHECK WIRE HARNESS (LUGGAGE ROOM J/B ECU - BODY GROUND)
1. Disconnect the L14 J/B ECU connector.
2. Measure the voltage of the wire harness side connector.
  Standard:
  
  Fig 19: Terminals Voltage Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 20: Checking Wire Harness (Luggage Room J/B ECU - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE LUGGAGE ROOM J/B ASSY

OK: REPLACE LUGGAGE ROOM J/B ECU
INSPECT CLIMATE CONTROL SWITCH
1. Disconnect the C31 switch connector.
2. Measure the resistance of the J/B terminal.
  Standard:
  
  Fig 21: Terminals Resistance Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 22: Inspecting Climate Control Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE CLIMATE CONTROL SWITCH

OK: Go to next step.
CHECK WIRE HARNESS (CLIMATE CONTROL SWITCH - BODY GROUND)
1. Disconnect the C31 switch connector.
2. Measure the resistance of the wire harness side connector.
  Standard:
  
  Fig 23: Terminals Resistance Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 24: Checking Wire Harness (Climate Control Switch - Body Ground)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step.
CHECK WIRE HARNESS (SEAT CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU) - CLIMATE CONTROL SWITCH)
1. Disconnect the C27 or C29 blower connector.
2. Disconnect the C31 switch connector.
3. Measure the resistance of the wire harness side connectors.
  Standard:
  
  Rear LH
  
  Fig 25: Terminals Resistance Reference Chart (Rear LH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Rear RH:
  
  Fig 26: Terminals Resistance Reference Chart (Rear RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 27: Checking Wire Harness (Seat Climate Control Blower (Seat Climate Control ECU) - Climate Control Switch)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE CLIMATE CONTROL BLOWER (SEAT CLIMATE CONTROL ECU)