Reminder Systems Control Unit Input Test

Reminder Systems Control Unit Input Test

NOTE:

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

- Before testing the reminder system control unit, troubleshoot the F-CAN system first, using gauge control module self-diagnosis function. Reading and Clearing Diagnostic Trouble Codes

MICU (Common Test)

1. Turn the ignition switch to LOCK (0) and remove the left kick panel. Interior Trim Removal/Installation - Front Door Sill Area

2. Disconnect under-dash fuse/relay box connectors E, H, P and Q.
NOTE: All connector views are wire side of female terminals.

3. 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 4.

4. Reconnect the connectors, turn the ignition switch to ON (II), 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 5.










GAUGE CONTROL MODULE (Common Test)

5. Disconnect gauge control module connectors A (12P) and B (24P).
NOTE: All connector views are wire side of female terminals.

6. 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 7.

7. Reconnect the connectors, turn the ignition switch to ON (II), 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 the appropriate input test.
- Key-in reminder, go to step 8.

- Parking brake reminder, go to step 9.

- Lights-on reminder, do the combination switch control unit input test Wiper/Washer Switch (Combination Switch Control Unit) Input Test and the combination light switch test. Service and Repair

- Seat belt reminder, do the seat belt buckle switch test.










Key-in reminder

8. Reconnect the under-dash fuse/relay box connectors, turn the ignition switch to ON (II), 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, the MICU must be faulty, replace the under-dash fuse/relay box. Under-Dash Fuse/Relay Box Removal and Installation





Parking Brake Reminder

9. Reconnect the gauge control module connectors, turn the ignition switch to ON (II), 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, replace the gauge control module. Service and Repair