NO RESPONSE FROM ASBS (AUTOMATIC SWAY BAR SYSTEM)
NO RESPONSE FROM ASBS (AUTOMATIC SWAY BAR SYSTEM)
 |
For a complete wiring diagram, refer to the Wiring Information.
Possible Causes |
|---|
| (A959) FUSED B(+) CIRCUIT OPEN OR SHORTED |
| (Z905) GROUND CIRCUIT OPEN |
| (F943) FUSED RUN/START RELAY OUTPUT CIRCUIT OPEN OR SHORTED |
| (D65) CAN C BUS (+) CIRCUIT OPEN |
| (D64) CAN C BUS (-) CIRCUIT OPEN |
| AUTOMATIC SWAY BAR SYSTEM |
1. TEST FOR INTERMITTENT CONDITION
| 1. | Turn the ignition on. |
| NOTE: | Make sure the Ignition Off Draw (IOD) fuse is installed and battery voltage is between 10.0 and 16.0 volts. |
| 2. | Using the scan tool, select ECU View. |
| NOTE: | A red "X" will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. |
| NOTE: | Check the TIPM for any active CAN C hardware DTCs, perform DTC before proceeding. |
Does the scan tool display a red "X" next to the module?
Yes
- Go To 2
No
- The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched and partially broken wires and the wiring harnessconnectors for broken, bent, pushed out and corroded terminals.
2. (A959) FUSED B(+) CIRCUIT OPEN OR SHORTED
 |
| 1. | Turn the ignition off. |
| 2. | Disconnect the Final Drive Control Module (ASBS) harness connector. |
| 3. | Using a 12-volt test light connected to ground, check each (A959) Fused B(+) circuit. |
Does the test light illuminate brightly for each circuit?
Yes
- Go To 3
No
- Repair the (A959) Fused B(+) circuit for an open or short.
-
Perform the ASBS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/SYSTEM, Auto Sway Bar (ASBS)
- Standard Procedure).
 |
| 1. | Using a 12-volt test light connected to 12-volts, check the (Z905) ground circuit. |
Does the test light illuminate brightly?
Yes
- Go To 4
No
- Repair the (Z905) ground circuit for an open.
-
Perform the ASBS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/SYSTEM, Auto Sway Bar (ASBS)
- Standard Procedure).
4. (F943) FUSED RUN/START RELAY OUTPUT CIRCUIT OPEN OR SHORTED
 |
| 1. | Turn the ignition on. |
| 2. | Using a 12-volt test light connected to ground, check the (F943) Fused Run/Relay Output circuit. |
Does the test light illuminate brightly?
Yes
- Go To 5
No
- Repair the (F943) Fused Run/Relay Output circuit for an open or short.
-
Perform the ASBS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/SYSTEM, Auto Sway Bar (ASBS)
- Standard Procedure).
5. (D65) CAN C BUS (+) CIRCUIT OPEN
 |
| 1. | Turn the ignition off. |
| 2. | Disconnect the TIPM C1 harness connector. |
| 3. | Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM C1 harness connector and the Final Drive Control Module (ASBS) connector. |
Is resistance below 5.0 ohms?
Yes
- Go To 6
No
- Repair the (D65) CAN C Bus (+) circuit for an open.
-
Perform the ASBS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/SYSTEM, Auto Sway Bar (ASBS)
- Standard Procedure).
6. (D64) CAN C BUS (-) CIRCUIT OPEN
 |
| 1. | Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM C1 harness connector and the Final Drive Control Module (ASBS) connector. |
Is resistance below 5.0 ohms?
Yes
- Replace the Final Drive Control Module (ASBS) in accordance with the Service Information.
- Perform the ASBS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/SYSTEM, Auto Sway Bar (ASBS) - Standard Procedure).
No
- Repair the (D64) CAN C Bus (-) circuit for an open.
-
Perform the ASBS VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/SYSTEM, Auto Sway Bar (ASBS)
- Standard Procedure).