LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2009 >> TL FWD V6-3.5L >> Repair and Diagnosis >> Lighting and Horns >> Testing and Inspection >> Entry Lights Control System Control Unit Input Test
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Entry Lights Control System Control Unit Input Test




Entry Lights Control System Control Unit Input Test

NOTE:Before testing, troubleshoot the multiplex integrated control system first, using B-CAN System Diagnosis Test Mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A

Driver's MICU

1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

2. Remove the driver's dashboard undercover. Driver's Dashboard Undercover Removal/Installation

3. Disconnect driver's under-dash fuse/relay box connectors D, P, Q, and R.
NOTE: All connector views are wire side of female terminals.

4. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.

- If the terminals look OK, go to step 5.

5. Reconnect the connectors to the driver's under-dash fuse/relay box, and do these input tests at the following connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, go to step 6.










Passenger's MICU

6. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, and remove the right kick panel. Interior Trim Removal/Installation - Front Door Sill Area

7. Disconnect passenger's under-dash fuse/relay box connectors A, E, and G*1 (or H*2).
*1: Without SH-AWD

*2: With SH-AWD

NOTE: All connector views are wire side of female terminals.

8. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.

- If the terminals look OK, go to step 9.





9. Reconnect the connectors to the passenger's under-dash fuse/relay box, and do these input tests at the following connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, go to step 10.





*1: Without SH-AWD

*2: With SH-AWD

Door Multiplex Control Unit

10. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode, and remove the driver's door panel. Front Door Panel Removal/Installation

11. Disconnect the 37P connector from the door multiplex control unit.

12. Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.

- If the terminals look OK, go to step 13.





13. Reconnect the 37P connector to the door multiplex control unit, and do these input tests at the following connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, go to step 14.





14. If multiple failures are found on more than one control unit, replace the driver's under-dash fuse/relay box (includes the driver's MICU). Driver's Under-Dash Fuse/Relay Box (MICU) Removal/Installation If input failures are related to a particular control unit, replace the control unit.

scientia non olet · About LEMON Manuals