Do the driver's MPCS unit input test See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and
Inspection/Component Tests and General Diagnostics/Drivers MPCS Unit Input Test.?
B2175
DTC Troubleshooting: B2175
DTC B2175:
Driver's Power Window Motor Pulse A Error
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Open and close the driver's power window by using the power window master switch manually.
4. Check for DTCs with the HDS.
Is DTC B2175 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
5. Open and close the driver's power window by using the power window master switch manually.
Does the power window motor operate?
YES -
Go to step 6.
NO -
Do the driver's power window motor test See: Windows and Glass/Windows/Power Window Motor/Testing and Inspection/Driver's Power
Window Motor Test.?
6. Select the POWER WINDOWS from the BODY ELECTRICAL SYSTEM SELECT menu and enter the DATA LIST.
7. Check the DETECT/NONE information of the Driver's window motor A-phase pulse signal in the DATA LIST.
Does the information indicator display DETECT while the power window is moving, and display NONE when the power window is stopped?
YES -
Replace the driver's MPCS unit.?
NO -
Go to step 8.
8. Check for DTCs with the HDS.
Is DTC B2176 also indicated?
