Honda Civic. Manual — part 931

Fig. 5: Keyless/Power Door Locks/Security System - Circuit Diagram (2 Of 4)

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Keyless/Power Door Locks/Security System - Civic (All Except Hybrid)

Fig. 6: Keyless/Power Door Locks/Security System - Circuit Diagram (3 Of 4)

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Keyless/Power Door Locks/Security System - Civic (All Except Hybrid)

Fig. 7: Keyless/Power Door Locks/Security System - Circuit Diagram (4 Of 4)

DTC TROUBLESHOOTING

DTC B1026: FRONT PASSENGER'S DOOR LOCK SWITCH SIGNAL ERROR

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow
the instructions in B-CAN System Diagnosis Test Mode A
(see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS
TEST MODE A ).

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Keyless/Power Door Locks/Security System - Civic (All Except Hybrid)

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Operate the front passenger's door lock switch several times.
4. Check for DTCs with the HDS.

Is DTC B1026 indicated?

YES - Go to step 5.

NO - Intermittent failure. The front passenger's door lock system is OK at this
time.

5. With the front passenger's door lock switch in the neutral position, select

KEYLESS from the HDS and enter the DATA LIST.

6. Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK

SWITCH (LOCK) and FRONT PASSENGER'S DOOR LOCK SWITCH
(UNLOCK) in the DATA LIST.

Are both information indicators OFF?

YES - Go to step 12.

NO - Go to step 7.

7. Disconnect the front passenger's power window switch 8P connector.
8. Check the ON/OFF information of the FRONT PASSENGER'S DOOR LOCK

SWITCH (LOCK) and FRONT PASSENGER'S DOOR LOCK SWITCH
(UNLOCK) in the DATA LIST.

Are both information indicators OFF?

YES - Faulty door lock switch; replace the front passenger's power window
switch.

NO - Go to step 9.

9. Turn the ignition switch OFF.

2008 Honda Civic LX

2006-08 ACCESSORIES & EQUIPMENT Keyless/Power Door Locks/Security System - Civic (All Except Hybrid)