Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000271T8
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: DOOR / HATCH: FUEL LID OPENER SYSTEM: Fuel Lid Opener does not Operate; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

Fuel Lid Opener does not Operate

DESCRIPTION

When the fuel lid opener switch is pushed, a fuel lid opener switch signal is sent to the ECM. The ECM turns on the FUEL OPN relay and EFI-MAIN relay, and the fuel lid lock with motor assembly opens the fuel lid. When the fuel lid is open, a fuel lid courtesy switch signal is output from the fuel lid lock with motor assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK FOR DTCs (HEALTH CHECK)

(a) Connect the GTS to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the GTS on.

(d) Enter the following menus: System Select / Health Check.

(e) Check DTCs.

Result

Proceed to

No DTCs are output.

A

DTCs are output.

B

B

GO TO DTC CHART

A

2.

PERFORM ACTIVE TEST USING GTS (ACTIVATE THE FUEL FILLER OPENER)

(a) Enter the following menus: Powertrain / Engine / Active Test.

(b) Perform the Active Test according to the display on the GTS.

Powertrain > Engine > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Activate the Fuel Filler Opener

Fuel lid lock with motor assembly

OFF/ON

-

Powertrain > Engine > Active Test

Tester Display

Activate the Fuel Filler Opener

OK:

The fuel lid lock with motor assembly operates normally.

NG

GO TO STEP 10

OK

3.

READ VALUE USING GTS (Fuel Lid SW)

(a) Enter the following menus: Powertrain / Engine / Data List.

(b) Read the Data List according to the display on the GTS.

Powertrain > Engine > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Fuel Lid SW

Fuel lid opener switch status

Close or Open

Close: Fuel lid opener switch not pushed

Open: Fuel lid opener switch pushed

-

Powertrain > Engine > Data List

Tester Display

Fuel Lid SW

OK:

The GTS display changes correctly in response to the operation of the fuel lid opener switch.

NG

GO TO STEP 8

OK

4.

READ VALUE USING GTS (FUEL LID SENSOR SW)

(a) Read the Data List according to the display on the GTS.

Powertrain > Engine > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Fuel Lid Sensor SW

Fuel lid courtesy switch status

Close or Open

Close: Fuel lid closed

Open: Fuel lid open

-

Powertrain > Engine > Data List

Tester Display

Fuel Lid Sensor SW

OK:

The GTS display changes correctly in response to the operation of the fuel lid courtesy switch (fuel lid lock with motor assembly).

NG

GO TO STEP 6

OK

5.

CHECK CLOSE TANK VALVE ASSEMBLY OR FUEL TANK VENT HOSE

(a) Check the close tank valve assembly or fuel tank vent hose for clogging.

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OK:

The close tank valve assembly or fuel tank vent hose is not clogged.

OK

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NG

REMOVE THE CLOGGING

6.

INSPECT FUEL LID LOCK WITH MOTOR ASSEMBLY (FUEL LID COURTESY SWITCH)

(a) Remove the fuel lid lock with motor assembly.

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(b) Inspect the fuel lid lock with motor assembly.

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NG

REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY

OK

7.

CHECK HARNESS AND CONNECTOR (FUEL LID LOCK WITH MOTOR ASSEMBLY - ECM)

(a) Disconnect the A46 ECM connector.

(b) Disconnect the O135 fuel lid lock with motor assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

O135-3 (B) - A46-59 (LIDO)

Always

Below 1 Ω

O135-3 (B) or A46-59 (LIDO) - Body ground

Always

10 kΩ or higher

OK

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NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.

INSPECT FUEL LID OPENER SWITCH

(a) Remove the fuel lid opener switch.

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(b) Inspect the fuel lid opener switch.

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NG

REPLACE FUEL LID OPENER SWITCH

OK

9.

CHECK HARNESS AND CONNECTOR (FUEL LID OPENER SWITCH - ECM AND BODY GROUND)

(a) Disconnect the A46 ECM connector.

(b) Disconnect the I142 fuel lid opener switch connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I142-5 (IG) - A46-60 (FUEL)

Always

Below 1 Ω

I142-5 (IG) or A46-60 (FUEL) - Body ground

Always

10 kΩ or higher

I142-2 (E) - Body ground

Always

Below 1 Ω

OK

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NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

10.

INSPECT FUEL LID LOCK WITH MOTOR ASSEMBLY (MOTOR OPERATION)

(a) Remove the fuel lid lock with motor assembly.

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(b) Inspect the fuel lid lock with motor assembly.

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NG

REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY

OK

11.

CHECK HARNESS AND CONNECTOR (FUEL LID LOCK WITH MOTOR ASSEMBLY - POWER DISTRIBUTION BOX ASSEMBLY AND BODY GROUND)

(a) Disconnect the O135 fuel lid lock with motor assembly connector.

(b) Disconnect the 8H power distribution box assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

O135-1 (B) - 8H-12

Always

Below 1 Ω

O135-2 (E) - Body ground

Always

Below 1 Ω

O135-1 (B) or 8H-12 - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

12.

CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - BATTERY)

(a) Disconnect the 8K, 8A and 8D power distribution box assembly connectors.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

8K-1 - Body ground

Ignition switch off

11 to 14 V

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

8A-8 - Body ground

Always

Below 1 Ω

8D-8 - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

13.

CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - ECM)

(a) Disconnect the 8F power distribution box assembly connector.

(b) Disconnect the A46 ECM connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

8F-15 - A46-28 (FREL)

Always

Below 1 Ω

8F-15 or A46-28 (FREL) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

14.

CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - CANISTER PUMP MODULE)

(a) Disconnect the 8F power distribution box assembly connector.

(b) Disconnect the O133 canister pump module connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

8F-14 - O133-5 (VLVB)

Always

Below 1 Ω

8F-14 or O133-5 (VLVB) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

15.

INSPECT POWER DISTRIBUTION BOX ASSEMBLY (FUEL OPN RELAY)

(a) Remove the power distribution box assembly.

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(b) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

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(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

8K-1 - 8H-12

Voltage applied between terminals 8F-14 and 8F-15

Below 1 Ω

8K-1 - 8H-12

Voltage not applied between terminals 8F-14 and 8F-15

10 kΩ or higher

8A-8 - 8H-12

Voltage not applied between terminals 8F-14 and 8F-15

Below 1 Ω

8A-8 - 8H-12

Voltage applied between terminals 8F-14 and 8F-15

10 kΩ or higher

8D-8 - 8H-12

Voltage not applied between terminals 8F-14 and 8F-15

Below 1 Ω

8D-8 - 8H-12

Voltage applied between terminals 8F-14 and 8F-15

10 kΩ or higher

NG

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OK

16.

CHECK CANISTER PUMP MODULE (VENT VALVE POWER SOURCE CIRCUIT)

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OK

REPLACE CANISTER PUMP MODULE

NG

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