Signal Too Low
Signal too low
Checking for permanent or intermittent faults
- Ignition on.
Check that window operates by raising/lowering window to its end stops.
Does window operate?
Yes - Intermittent fault
No - Checking the connectors
-------------------------------------------------
Checking the connectors
- Ignition off.
Check control unit and wire connector (54/3R, 54/10 or 54/11 and 3/126 or 3/127) for contact resistance and oxidation as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and for a loose contact as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check especially for damage.
Additional information:
- To access the door control unit, see Driver's door module / passenger door module (DDM/PDM), replacing Driver's Door Module/Passenger Door Module (DDM/PDM), Replacing.
Continue - Checking the wires and components
-------------------------------------------------
Checking the wires and components
Check that main fuse (11A/2) in engine compartment relay/fuse box is intact.
If control unit is on the left side, check that interior fuse (11C/35) in interior fuse box is intact.
If control unit is on the right side, check that interior fuse (11C/36) in interior fuse box is intact.
Check the wire between control unit 12B and the battery for a short circuit to ground as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check the wire between control unit 9B and ground: Check front left or right seat support for a short circuit to ground as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault , and for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Additional information:
- With ignition off, voltage between control unit 12B and ground should be battery voltage.
- To connect the test box, see Connecting the breakout box Connecting the Breakout Box.
- For information on signals and additional values, see Signal specification Pinout Values and Diagnostic Parameters.
Continue - Verification
-------------------------------------------------
Trouble-shooting information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - Fault Found
------------------------
FAULT FOUND - Fault Found
Attempt New Test - Checking for permanent or intermittent faults
-------------------------------------------------
Intermittent fault
Check control unit and wire connector (54/3R, 54/10 or 54/11 and 3/126 or 3/127) for contact resistance and oxidation as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , and for a loose contact as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check that main fuse (11A/2) in engine compartment relay/fuse box is correctly installed.
If control unit is on the left side, check that interior fuse (11C/35) in interior fuse box is correctly installed.
If control unit is on the right side, check that interior fuse (11C/36) in interior fuse box is correctly installed.
Check the wire between control unit 12B and the ignition lock for an intermittent short circuit to ground as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , and for an intermittent open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the wire between control unit 9B and ground: Check front left or right seat support for an intermittent short circuit to ground as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , and for an intermittent open circuit as described in Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Additional information:
- With ignition off, voltage between control unit 12B and ground should be battery voltage.
- To connect the test box, see Connecting the breakout box Connecting the Breakout Box.
- For information on signals and additional values, see Signal specification Pinout Values and Diagnostic Parameters.
- To access the door control unit, see Driver's door module / passenger door module (DDM/PDM), replacing Driver's Door Module/Passenger Door Module (DDM/PDM), Replacing.
Continue - Trouble-shooting information
-------------------------------------------------
Verification
Verification
Verification
Hint: After the repair it is necessary to check that the fault has been rectified.
- Ignition off.
- Connect the connectors, install the components, etc.
Check that the voltage between control unit 12B and ground is the same as battery voltage.
Is the voltage correct?
Yes - VERIFIED
No - VERIFICATION FAILED
------------------------
VERIFIED - Fault Found
VERIFICATION FAILED - Trouble-shooting information
-------------------------------------------------
Trouble-shooting information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - FAULT-TRACING FAILED
No - Attempt New Test
------------------------
Attempt New Test - Checking for permanent or intermittent faults
FAULT-TRACING FAILED - No Fault Found
-------------------------------------------------