Power Trunk Lid Does Not Operate
ENGINE HOOD / DOOR: POWER TRUNK LID SYSTEM: Power Trunk Lid does not Operate
- Power Trunk Lid does not Operate
DESCRIPTION
The main body ECU continuously monitors the luggage compartment door opener cancel switch. When the luggage compartment door opener cancel switch assembly is OFF, a luggage compartment door opener switch signal is sent to the luggage closer motor assembly from the main body ECU via CAN communication. This actuates the power trunk opener operation, which opens the luggage door. When the luggage compartment door closer switch is ON, the luggage closer motor assembly actuates the power trunk closer operation. When the key is held, and the luggage compartment door opener switch is ON or the key's LUGGAGE switch is pressed, the luggage closer motor assembly actuates the power trunk lid opener operation.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. LUGGAGE CLOSER FUNCTION INSPECTION
(a) Set the luggage door so that it is ajar, and check that the closer motor operates normally.
Result
B -- GO TO DTC OF OTHER COMPONENTS Luggage Compartment Door Closer Does Not Operate
A -- Continue to next step.
2. READ VALUE USING TECHSTREAM
(a) Check the Data List for proper functioning of the switches.
Main Body (Main body ECU)
Result
B -- INSPECT LUGGAGE COMPARTMENT DOOR OPENER CANCEL SWITCH ASSEMBLY
C -- READ VALUE USING TECHSTREAM
A -- Continue to next step.
3. INSPECT LUGGAGE COMPARTMENT DOOR OPENER SWITCH
(a) Remove the luggage compartment door opener switch Components.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE LUGGAGE COMPARTMENT DOOR OPENER SWITCH Components
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER SWITCH - MAIN BODY ECU AND BODY GROUND)
(a) Disconnect the L3 switch connector.
(b) Disconnect the L13 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
5. INSPECT LUGGAGE COMPARTMENT DOOR OPENER CANCEL SWITCH ASSEMBLY
(a) Remove the luggage compartment door opener cancel switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE LUGGAGE COMPARTMENT DOOR OPENER CANCEL SWITCH Components
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER CANCEL SWITCH - MAIN BODY ECU AND BODY GROUND)
(a) Disconnect the L83 switch connector.
(b) Disconnect the L11 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
7. READ VALUE USING TECHSTREAM
(a) Check the Data List for proper functioning of the switches.
Back Door (Luggage closer motor assembly)
Result
B -- INSPECT LUGGAGE COMPARTMENT DOOR OPENER SWITCH
C -- CHECK MAIN BODY ECU (OPERATION)
A -- Continue to next step.
8. INSPECT LUGGAGE COMPARTMENT DOOR CLOSER SWITCH
(a) Remove the luggage compartment door closer switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE LUGGAGE COMPARTMENT DOOR CLOSER SWITCH Removal
OK -- Continue to next step.
9. CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - LUGGAGE CLOSER MOTOR AND BODY GROUND)
(a) Disconnect the S40 switch connector.
(b) Disconnect the S43 motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- END (MAIN BODY ECU IS DEFECTIVE)
10. INSPECT LUGGAGE COMPARTMENT DOOR OPENER SWITCH
(a) Remove the luggage compartment door opener switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE LUGGAGE COMPARTMENT DOOR OPENER SWITCH Removal
OK -- Continue to next step.
11. CHECK (LUGGAGE CLOSER MOTOR - LUGGAGE COMPARTMENT DOOR OPENER SWITCH)
(a) Disconnect the S38 switch connector.
(b) Disconnect the S43 motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Components
12. CHECK MAIN BODY ECU (OPERATION)
(a) Temporarily replace the main body ECU with a new or normally functioning one.
(b) Check that the power trunk opener and closer system is normal.
OK:
Power trunk opener and closer normal operation.
NG -- REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Components
OK -- END (MAIN BODY ECU IS DEFECTIVE)