DTC B1DA7:29 [RETRACTABLE HARDTOP CONTROL MODULE]

id0902r4077300

Description

Incorrect roof position
Detection condition
•  The retractable hardtop control module detects an incorrect roof position.
Fail-safe
•  Stops retractable hardtop operation
Possible cause
•  Open circuit in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 1G and top lock switch terminal A
―  Top lock switch terminal B and body ground
•  Top lock switch malfunction
•  Short to ground in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4B and front roof link limit switch (RH) terminal A
―  Retractable hardtop control module terminal 4C and front roof link limit switch (RH) terminal B
―  Retractable hardtop control module terminal 4A and front roof link limit switch (RH) terminal C
•  Open circuit in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4B and front roof link limit switch (RH) terminal A
―  Retractable hardtop control module terminal 4C and front roof link limit switch (RH) terminal B
―  Retractable hardtop control module terminal 4A and front roof link limit switch (RH) terminal C
•  Front roof link limit switch (RH) malfunction
•  Short to ground in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4L and front roof link limit switch (RH) terminal C
―  Retractable hardtop control module terminal 4M and front roof link limit switch (RH) terminal D
―  Retractable hardtop control module terminal 4K and front roof link limit switch (RH) terminal B
•  Open circuit in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4L and front roof link limit switch (LH) terminal C
―  Retractable hardtop control module terminal 4M and front roof link limit switch (LH) terminal D
―  Retractable hardtop control module terminal 4K and front roof link limit switch (LH) terminal B
•  Front roof link limit switch (LH) malfunction
•  Short to ground in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4D and rear roof link limit switch (LH) terminal A
―  Retractable hardtop control module terminal 4A and rear roof link limit switch (LH) terminal B
―  Retractable hardtop control module terminal 4E and rear roof link limit switch (LH) terminal C
•  Open circuit in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4D and rear roof link limit switch (RH) terminal A
―  Retractable hardtop control module terminal 4A and rear roof link limit switch (RH) terminal B
―  Retractable hardtop control module terminal 4E and rear roof link limit switch (RH) terminal C
•  Rear roof link limit switch (RH) malfunction
•  Short to ground in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4I and rear roof link limit switch (LH) terminal A
―  Retractable hardtop control module terminal 4J and rear roof link limit switch (LH) terminal B
―  Retractable hardtop control module terminal 4F and rear roof link limit switch (LH) terminal C
•  Open circuit in wiring harness between the following terminals:
―  Retractable hardtop control module terminal 4I and rear roof link limit switch (LH) terminal A
―  Retractable hardtop control module terminal 4J and rear roof link limit switch (LH) terminal B
―  Retractable hardtop control module terminal 4F and rear roof link limit switch (LH) terminal C
•  Rear roof link limit switch (LH) malfunction
•  Retractable hardtop control module malfunction

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY OTHER RETRACTABLE HARDTOP CONTROL MODULE DTCs
•  Clear the DTC for the retractable hardtop control module using the M-MDS.
•  Retrieve the retractable hardtop control module DTCs using the M-MDS.
•  Is the DTCs U3000:44/U3000:45/U3000:49 displayed?
Yes
Replace the retractable hardtop control module, then go to Step 17.
(See RETRACTABLE HARDTOP CONTROL MODULE REMOVAL/INSTALLATION.)
No
Go to the next step.
2
INSPECT TOP LOCK SWITCH CIRCUIT FOR OPEN CIRCUIT
•  Switch the ignition off.
•  Disconnect the negative battery terminal.
•  Disconnect the retractable hardtop control module and top lock switch connectors.
•  Inspect the wiring harness for continuity between the following terminals (wiring harness-side):
―  Retractable hardtop control module terminal 1G and top lock switch terminal A
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 1G and top lock switch terminal A
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 17.
3
INSPECT TOP LOCK SWITCH CIRCUIT FOR OPEN CIRCUIT
•  Verify that the retractable hardtop control module and top lock switch connectors are disconnected.
•  Inspect the wiring harness for continuity between the top lock switch terminal B (wiring harness-side) and body ground.
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Top lock switch terminal B and body ground
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 17.
4
INSPECT TOP LOCK SWITCH
•  Inspect the top lock switch.
•  Is the top lock switch normal?
Yes
Go to the next step.
No
Replace the top lock switch, then go to Step 17.
(See TOP LOCK STRIKER REMOVAL/INSTALLATION.)
5
INSPECT FRONT ROOF LINK LIMIT SWITCH (RH) CIRCUIT FOR SHORT TO GROUND
•  Disconnect the front roof link limit switch (RH) connectors.
•  Verify that the retractable hardtop control module and front roof link limit switch (RH) connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Front roof link limit switch (RH) terminal A
―  Front roof link limit switch (RH) terminal B
―  Front roof link limit switch (RH) terminal C
•  Is there continuity?
Yes
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4B and front roof link limit switch (RH) terminal A
•  Retractable hardtop control module terminal 4C and front roof link limit switch (RH) terminal B
•  Retractable hardtop control module terminal 4A and front roof link limit switch (RH) terminal C
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has a short to ground.
Go to Step 17.
No
Go to the next step.
6
INSPECT FRONT ROOF LINK LIMIT SWITCH (RH) CIRCUIT FOR OPEN CIRCUIT
•  Verify that the retractable hardtop control module and front roof link limit switch (RH) connectors are disconnected.
•  Inspect the wiring harness for continuity between the following terminals (wiring harness-side):
―  Retractable hardtop control module terminal 4B and front roof link limit switch (RH) terminal A
―  Retractable hardtop control module terminal 4C and front roof link limit switch (RH) terminal B
―  Retractable hardtop control module terminal 4A and front roof link limit switch (RH) terminal C
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4B and front roof link limit switch (RH) terminal A
•  Retractable hardtop control module terminal 4C and front roof link limit switch (RH) terminal B
•  Retractable hardtop control module terminal 4A and front roof link limit switch (RH) terminal C
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 17.
7
INSPECT FRONT ROOF LINK LIMIT SWITCH (RH)
•  Inspect the front roof link limit switch (RH).
•  Is the front roof link limit switch (RH) normal?
Yes
Go to the next step.
No
Replace the front roof link limit switch (RH), then go to Step 17.
(See ROOF LINK LIMIT SWITCH REMOVAL/INSTALLATION.)
8
INSPECT FRONT ROOF LINK LIMIT SWITCH (LH) CIRCUIT FOR SHORT TO GROUND
•  Disconnect the front roof link limit switch (LH) connectors.
•  Verify that the retractable hardtop control module and front roof link limit switch (LH) connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Front roof link limit switch (LH) terminal C
―  Front roof link limit switch (LH) terminal D
―  Front roof link limit switch (LH) terminal B
•  Is there continuity?
Yes
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4L and front roof link limit switch (LH) terminal C
•  Retractable hardtop control module terminal 4M and front roof link limit switch (LH) terminal D
•  Retractable hardtop control module terminal 4K and front roof link limit switch (LH) terminal B
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has a short to ground.
Go to Step 17.
No
Go to the next step.
9
INSPECT FRONT ROOF LINK LIMIT SWITCH (LH) CIRCUIT FOR OPEN CIRCUIT
•  Verify that the retractable hardtop control module and front roof link limit switch (LH) connectors are disconnected.
•  Inspect the wiring harness for continuity between the following terminals (wiring harness-side):
―  Retractable hardtop control module terminal 4L and front roof link limit switch (LH) terminal C
―  Retractable hardtop control module terminal 4M and front roof link limit switch (LH) terminal D
―  Retractable hardtop control module terminal 4K and front roof link limit switch (LH) terminal B
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4L and front roof link limit switch (LH) terminal C
•  Retractable hardtop control module terminal 4M and front roof link limit switch (LH) terminal D
•  Retractable hardtop control module terminal 4K and front roof link limit switch (LH) terminal B
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 17.
10
INSPECT FRONT ROOF LINK LIMIT SWITCH (LH)
•  Inspect the front roof link limit switch (LH).
•  Is the front roof link limit switch (LH) normal?
Yes
Go to the next step.
No
Replace the front roof link limit switch (LH), then go to Step 17.
(See ROOF LINK LIMIT SWITCH REMOVAL/INSTALLATION.)
11
INSPECT REAR ROOF LINK LIMIT SWITCH (RH) CIRCUIT FOR SHORT TO GROUND
•  Disconnect the rear roof link limit switch (RH) connectors.
•  Verify that the retractable hardtop control module and rear roof link limit switch (RH) connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Rear roof link limit switch (RH) terminal B
―  Rear roof link limit switch (RH) terminal C
―  Rear roof link limit switch (RH) terminal A
•  Is there continuity?
Yes
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4A and rear roof link limit switch (RH) terminal B
•  Retractable hardtop control module terminal 4E and rear roof link limit switch (RH) terminal C
•  Retractable hardtop control module terminal 4D and rear roof link limit switch (RH) terminal A
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has a short to ground.
Go to Step 17.
No
Go to the next step.
12
INSPECT REAR ROOF LINK LIMIT SWITCH (RH) CIRCUIT FOR OPEN CIRCUIT
•  Verify that the retractable hardtop control module and rear roof link limit switch (RH) connectors are disconnected.
•  Inspect the wiring harness for continuity between the following terminals (wiring harness-side):
―  Retractable hardtop control module terminal 4A and rear roof link limit switch (RH) terminal B
―  Retractable hardtop control module terminal 4E and rear roof link limit switch (RH) terminal C
―  Retractable hardtop control module terminal 4D and rear roof link limit switch (RH) terminal A
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4A and rear roof link limit switch (RH) terminal B
•  Retractable hardtop control module terminal 4E and rear roof link limit switch (RH) terminal C
•  Retractable hardtop control module terminal 4D and rear roof link limit switch (RH) terminal A
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 17.
13
INSPECT REAR ROOF LINK LIMIT SWITCH (RH)
•  Inspect the rear roof link limit switch (RH).
•  Is the rear roof link limit switch (RH) normal?
Yes
Go to the next step.
No
Replace the rear roof link limit switch (RH), then go to Step 17.
(See REAR ROOF LINK LIMIT SWITCH REMOVAL/INSTALLATION.)
14
INSPECT REAR ROOF LINK LIMIT SWITCH (LH) CIRCUIT FOR SHORT TO GROUND
•  Disconnect the rear roof link limit switch (LH) connectors.
•  Verify that the retractable hardtop control module and rear roof link limit switch (LH) connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Rear roof link limit switch (LH) terminal A
―  Rear roof link limit switch (LH) terminal B
―  Rear roof link limit switch (LH) terminal C
•  Is there continuity?
Yes
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4I and rear roof link limit switch (LH) terminal A
•  Retractable hardtop control module terminal 4J and rear roof link limit switch (LH) terminal B
•  Retractable hardtop control module terminal 4F and rear roof link limit switch (LH) terminal C
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has a short to ground.
Go to Step 17.
No
Go to the next step.
15
INSPECT REAR ROOF LINK LIMIT SWITCH (LH) CIRCUIT FOR OPEN CIRCUIT
•  Verify that the retractable hardtop control module and rear roof link limit switch (LH) connectors are disconnected.
•  Inspect the wiring harness for continuity between the following terminals (wiring harness-side):
―  Retractable hardtop control module terminal 4I and rear roof link limit switch (LH) terminal A
―  Retractable hardtop control module terminal 4J and rear roof link limit switch (LH) terminal B
―  Retractable hardtop control module terminal 4F and rear roof link limit switch (LH) terminal C
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  Retractable hardtop control module terminal 4I and rear roof link limit switch (LH) terminal A
•  Retractable hardtop control module terminal 4J and rear roof link limit switch (LH) terminal B
•  Retractable hardtop control module terminal 4F and rear roof link limit switch (LH) terminal C
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to the next step.
16
INSPECT REAR ROOF LINK LIMIT SWITCH (LH)
•  Inspect the rear roof link limit switch (LH).
•  Is the rear roof link limit switch (LH) normal?
Yes
Go to the next step.
No
Replace the rear roof link limit switch (LH), then go to Step 17.
(See REAR ROOF LINK LIMIT SWITCH REMOVAL/INSTALLATION.)
17
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Always reconnect all disconnected connectors.
•  Connect the negative battery terminal.
•  Clear the DTC for the retractable hardtop control module using the M-MDS.
•  Retrieve the retractable hardtop control module DTCs using the M-MDS.
•  Is the same Pending DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the retractable hardtop control module.
Go to the next step.
No
Go to the next step.
18
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [RETRACTABLE HARDTOP CONTROL MODULE].)
No
DTC troubleshooting completed.