Pinpoint Test I: The Luggage Compartment Lid Release Is Inoperative/Does Not Operate Correctly
Locks, Latches and Entry Systems
Pinpoint Tests
Pinpoint Test I: The Luggage Compartment Lid Release Is Inoperative/Does Not Operate Correctly
Refer to Wiring Diagram Set 113, Luggage Compartment Lid Release for schematic and connector information. Diagrams By Number
Normal Operation
When the Smart Junction Box (SJB) receives an open request from the luggage compartment lid switch on circuit CPL45 (BN), the SJB supplies voltage on circuit CPL10 (GN/WH) to the luggage compartment lid latch. The luggage compartment lid latch is grounded on circuit GD171 (BK/GY).
- DTC B1554 (Decklid Release Circuit Short to Ground) - an on-demand DTC that sets if the SJB detects a short to ground on the luggage compartment lid release switch circuit CPL45 (BN).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Luggage compartment lid release switch
- Luggage compartment lid latch
- SJB
PINPOINT TEST I: THE LUGGAGE COMPARTMENT LID RELEASE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
-------------------------------------------------
I1 CHECK THE DOOR LOCK OPERATION
- Lock and unlock the doors using a door lock control switch.
- Do the door locks operate correctly?
Yes
GO to I2.
No
GO to Symptom Chart. Symptom Related Diagnostic Procedures
-------------------------------------------------
I2 RETRIEVE THE RECORDED SJB DTCs FROM THE SELF-TEST
- Check for recorded SJB DTCs from the self-test.
- Is DTC B1554 present?
Yes
GO to I3.
No
GO to I5.
-------------------------------------------------
I3 REPEAT THE SJB ON-DEMAND SELF-TEST
- Disconnect: Luggage Compartment Lid Release Switch C2269.
- Erase the DTCs, then repeat the SJB self-test.
- Is DTC B1554 recorded?
Yes
GO to I4.
No
INSTALL a new luggage compartment lid switch. CLEAR the DTCs. REPEAT the self-test.
-------------------------------------------------
I4 CHECK CIRCUIT CPL45 (BN) FOR A SHORT TO GROUND
- Disconnect: SJB C2280d.
- Measure the resistance between the luggage compartment lid release switch C2269-5, circuit CPL45 (BN), harness side and ground.
- Is the resistance greater than 10,000 ohms?
Yes
GO to I14.
No
REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
-------------------------------------------------
I5 CARRY OUT THE SJB LUGGAGE COMPARTMENT LID RELEASE ACTIVE COMMAND USING THE SCAN TOOL
- Enter the following diagnostic mode on the scan tool: SJB DataLogger.
- Select the SJB PID (DLIDOUT) and active command the luggage compartment lid to release.
- Does the luggage compartment lid release?
Yes
GO to I6.
No
GO to I9.
-------------------------------------------------
I6 CHECK CIRCUIT GD116 (BK/VT) FOR AN OPEN
- Disconnect: Negative Battery Cable.
- Disconnect: Luggage Compartment Lid Release Switch C2269.
- Measure the resistance between the luggage compartment lid release switch C2269-1, circuit GD116 (BK/VT), harness side and ground.
- Is the resistance less than 5 ohms?
Yes
GO to I7.
No
REPAIR the circuit. TEST the system for normal operation.
-------------------------------------------------
I7 CHECK THE LUGGAGE COMPARTMENT LID SWITCH
- Connect: Negative Battery Cable.
- Ignition OFF.
- Disconnect: Luggage Compartment Lid Release Switch C2269.
- Connect a fused jumper wire between the luggage compartment lid release switch C2269-5, circuit CPL45 (BN), harness side and the luggage compartment lid release switch C2269-1, circuit GD116 (BK/VT), harness side.
- Does the luggage compartment lid release?
Yes
INSTALL a new luggage compartment lid switch. CLEAR the DTCs. REPEAT the self-test.
No
GO to I8.
-------------------------------------------------
I8 CHECK CIRCUIT CPL45 (BN) FOR AN OPEN
- Disconnect: SJB C2280d.
- Measure the resistance between the luggage compartment lid switch C2269-5, circuit CPL45 (BN), harness side and the SJB C2280d-27, circuit CPL45 (BN), harness side.
- Is the resistance less than 5 ohms?
Yes
GO to I14.
No
REPAIR the circuit. TEST the system for normal operation.
-------------------------------------------------
I9 CHECK CIRCUIT GD171 (BK/GY) FOR AN OPEN
- Ignition OFF.
- Disconnect: Negative Battery Cable.
- Disconnect: Luggage Compartment Lid Latch C429.
- Measure the resistance between the luggage compartment lid latch C429-3, circuit GD171 (BK/GY), harness side and ground.
- Is the resistance less than 5 ohms?
Yes
GO to I10.
No
REPAIR the circuit. TEST the system for normal operation.
-------------------------------------------------
I10 CHECK CIRCUIT CPL10 (GN/WH) FOR VOLTAGE
- Connect: Negative Battery Cable.
- Ignition ON.
- NOTE: Do not operate the luggage compartment lid release while performing this test.
- Measure the voltage between the luggage compartment lid latch C429-2, circuit CPL10 (GN/WH), harness side and ground.
- Is any voltage present?
Yes
GO to I11.
No
GO to I12.
-------------------------------------------------
I11 CHECK CIRCUIT CPL10 (GN/WH) FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect: SJB C2280e.
- Measure the voltage between the luggage compartment lid latch C429-2, circuit CPL10 (GN/WH), harness side and ground.
- Is any voltage present?
Yes
REPAIR the circuit. TEST the system for normal operation.
No
GO to I14.
-------------------------------------------------
I12 CHECK FOR VOLTAGE TO THE LUGGAGE COMPARTMENT LID RELEASE SOLENOID
- Unlock the doors with a door lock control switch.
- NOTE: The SJB only supplies voltage to the luggage compartment lid release solenoid momentarily. It is important to watch the meter while pressing the luggage compartment lid release switch.
- While pressing the luggage compartment lid release switch, measure the voltage between the luggage compartment lid latch C429-2, circuit CPL10 (GN/WH), harness side and ground.
- Is the voltage greater than 10 volts?
Yes
INSTALL a new luggage compartment lid latch. REFER to Luggage Compartment Lid Latch Service and Repair. TEST the system for normal operation.
No
GO to I13.
-------------------------------------------------
I13 CHECK CIRCUIT CPL10 (GN/WH) FOR AN OPEN
- Ignition OFF.
- Disconnect: SJB C2280e.
- Measure the resistance between the luggage compartment lid latch C429-2, circuit CPL10 (GN/WH), harness side and the SJB C2280e-23, circuit CPL10 (GN/WH), harness side.
- Is the resistance less than 5 ohms?
Yes
GO to I14.
No
REPAIR the circuit. TEST the system for normal operation.
-------------------------------------------------
I14 CHECK FOR CORRECT SJB OPERATION
- Disconnect all the SJB connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the SJB connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes
INSTALL a new SJB. REFER to Body Control Systems. TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
-------------------------------------------------