Honda Civic. Manual — part 190

Does the HDS indicate FAILED?

YES -Go to step 22.

NO -If the HDS indicates PASSED, intermittent failure, the system is OK at
this time. Check for poor connections or loose terminals between the
transmission range switch and the PCM. If the HDS indicates NOT
COMPLETED, go to step

19

.

22. Turn the ignition switch to LOCK (0).
23. Disconnect the transmission range switch connector.
24. Check for continuity between transmission range switch connector terminal

No. 10 and body ground.

Fig. 80: Checking Continuity Between Transmission Range Switch
Connector Terminal No. 10 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 25.

NO -Repair open in the wire between the transmission range switch and
ground (G101) (see CONNECTOR TO HARNESS INDEX ), or repair poor
ground (G101), then go to step 30.

25. Turn the ignition switch to ON (II).
26. Measure the voltage between transmission range switch connector terminals

No. 5 and No. 10.

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)

Fig. 81: Measuring Voltage Between Transmission Range Switch
Connector Terminals No. 5 And No. 10
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 27.

NO -Repair open in the wire between the transmission range switch and PCM
connector terminal B28, then go to step 30.

27. Measure the voltage between transmission range switch connector terminals

No. 8 and No. 10.

Fig. 82: Measuring Voltage Between Transmission Range Switch
Connector Terminals No. 8 And No. 10
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 28.

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)

NO -Repair open in the wire between the transmission range switch and PCM
connector terminal B21, then go to step 30.

28. Measure the voltage between transmission range switch connector terminals

No. 3 and No. 10.

Fig. 83: Measuring Voltage Between Transmission Range Switch
Connector Terminals No. 3 And No. 10
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 29.

NO -Repair open in the wire between the transmission range switch and PCM
connector terminal B15, then go to step 30.

29. Measure the voltage between transmission range switch connector terminals

No. 9 and No. 10.

Fig. 84: Measuring Voltage Between Transmission Range Switch

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)

Connector Terminals No. 9 And No. 10
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 37.

NO -Repair open in the wire between the transmission range switch and PCM
connector terminal B16, then go to step 30.

30. Reconnect all connectors.
31. Turn the ignition switch to ON (II).
32. Clear the DTC with the HDS.
33. Start the engine, run the vehicle with the shift lever in D until the vehicle speed

reaches 30 mph (48 km/h), then slow down and stop the wheels.

34. Turn the ignition switch to LOCK (0). Repeat the test-drive in step 33, then go

to step 35.

35. Check for DTCs with the HDS.

Is DTC P0706 indicated?

YES -Check for poor connections or loose terminals between the transmission
range switch and the PCM, then go to step 1.

NO -Go to step 36.

36. Monitor the OBD STATUS for P0706 in the DTCs MENU with the HDS.

Does the HDS indicate PASSED?

YES -Troubleshooting is complete. If any other DTCs were indicated in step
35, go to the INDICATED DTC'S TROUBLESHOOTING.

NO -If the HDS indicates FAILED, check for poor connections or loose
terminals between the transmission range switch and the PCM, then go to step
1. If the HDS indicates NOT COMPLETED, go to step 33.

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)