Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001TBKL |
Model Year Start: 2021 |
Model: Camry HV |
Prod Date Range: [10/2020 -
] |
Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM: Grille Shutter does not Operate; 2021 - 2024 MY Camry HV [10/2020 - ] |
Grille Shutter does not Operate
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DESCRIPTION
The grille shutter of the radiator shutter sub-assembly may not operate when dirty due to foreign matter, snow, mud, etc., or the power supply voltage deteriorates.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
Click here
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If the radiator shutter assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
Click here
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Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1.
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PERFORM UTILITY USING TECHSTREAM (SWITCH GRILLE SHUTTER CONTROL MODE)
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(a) According to the display on the Techstream, change the grille shutter control mode from normal mode to maintenance mode.
Powertrain > Engine > Utility
Tester Display
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Switch Grille Shutter Control Mode
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NEXT
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2.
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CHECK FOR GRILLE SHUTTER (FOREIGN MATTER AND ICE)
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(a) Check the area around the shutters and the links of the grille shutter for foreign matter and ice.
OK:
The radiator shutter sub-assembly is free of foreign matter and ice.
OK
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3.
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CHECK RADIATOR SHUTTER ASSEMBLY (GRILLE SHUTTER OPERATION)
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(a) Remove the radiator shutter assembly.
Click here
(b) While using fingers to pinch the fin at the location shown in the illustration, fully open and close the radiator shutter assembly manually and check that it moves smoothly.
HINT:
If the fin is pinched with fingers far from the swing grille actuator assembly, the function may not be able to be inspected correctly.
*a
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Swing Grille Actuator Assembly
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*b
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Fin
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OK:
Radiator shutter sub-assembly moves smoothly.
(c) Install the radiator shutter assembly.
Click here
OK
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|
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(a) Clear the DTCs.
Powertrain > Engine > Clear DTCs
(b) Turn the power switch off and wait for at least 30 seconds.
NEXT
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(a) Check for DTCs.
Powertrain > Engine > Trouble Codes
Result
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Proceed to
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DTCs are not output.
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OK
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DTCs are output.
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NG
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OK
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6.
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CHECK HARNESS AND CONNECTOR (SWING GRILLE ACTUATOR ASSEMBLY - POWER SUPPLY AND BODY GROUND)
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(a) Disconnect the j2 swing grille actuator assembly connector.
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*a
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Front view of wire harness connector
(to Swing Grille Actuator Assembly)
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(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
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Condition
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Specified Condition
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j2-1 (+B) - Body ground
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Power switch on (IG)
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11 to 14 V
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(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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j2-3 (GND) - Body ground
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Always
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Below 1 Ω
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(d) Connect the j2 swing grille actuator assembly connector.
OK
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7.
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READ VALUE USING TECHSTREAM (GRILLE SHUTTER CONTROL MODE)
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(a) According to the display on the Techstream, change the grille shutter control mode from maintenance mode to normal mode.
Powertrain > Engine > Utility
Tester Display
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Switch Grille Shutter Control Mode
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(b) Read the value displayed on the Techstream.
Powertrain > Engine > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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Grille Shutter Control Mode
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Grille shutter control mode status
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Normal or Maintenance
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Normal: Normal mode
Maintenance: Maintenance mode
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-
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Powertrain > Engine > Data List
Tester Display
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Grille Shutter Control Mode
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OK:
Normal is displayed.
NEXT |
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END
HINT:
Operation temporarily abnormal due to fail-safe (abnormal temperature).
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8.
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CHECK HARNESS AND CONNECTOR (SWING GRILLE ACTUATOR ASSEMBLY - EFI-MAIN NO. 1 RELAY)
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(a) Remove the EFI-MAIN NO. 1 relay from the No. 1 engine room relay block and No. 1 junction block assembly.
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*1
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No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
(EFI-MAIN NO. 1 Relay Holder)
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(b) Disconnect the j2 swing grille actuator assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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j2-1 (+B) - No. 1 engine room relay block and No. 1 junction block assembly EFI-MAIN NO. 1 relay terminal 5
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Always
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Below 1 Ω
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j2-1 (+B) or No. 1 engine room relay block and No. 1 junction block assembly EFI-MAIN NO. 1 relay terminal 5 - Body ground
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Always
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10 kΩ or higher
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(d) Install the EFI-MAIN NO. 1 relay from the No. 1 engine room relay block and No. 1 junction block assembly.
(e) Connect the j2 swing grille actuator assembly connector.
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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OK
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9.
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CHECK ECM POWER SOURCE CIRCUIT
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(a) Check the ECM power source circuit.
Click here
10.
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REMOVE FOREIGN MATTER OR ICE (CLEAN GRILLE SHUTTER)
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(a) Remove any foreign matter and/or ice from the area around the shutters and the links of the grille shutter.
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