Acura RL. Manual - part 769

Fig. 134: Checking Continuity Between SH-AWD Control Unit Connector Terminals A1 And
B8
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there 15-20 ohms?

YES - Check for loose connector terminals at the SH-AWD control unit, and repair if necessary. If the
connections are OK, substitute a known-good SH-AWD control unit (see SH-AWD CONTROL
UNIT REPLACEMENT ) and recheck.

NO - Go to step 9.

9. Connect a jumper wire between SH-AWD control unit connector terminals A1 and B8. Disconnect

the shift solenoid valve 2P connector, then check for continuity between shift solenoid valve 2P
connector terminals No. 1 and No. 2.

Fig. 135: Connecting Jumper Wire Between SH-AWD Control Unit Connector Terminals A1
And B8
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

2005-08 DRIVELINE/AXLES Rear Differential - RL

Friday, June 05, 2009 3:02:18 PM

Fig. 136: Checking Continuity Between Shift Solenoid Valve 2P Connector Terminals No. 1 And
No. 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Replace the shift solenoid valve (see REAR DIFFERENTIAL
DISASSEMBLY/REASSEMBLY ).

NO - Repair open in the wire between the SH-AWD control unit and the shift solenoid valve.

DTC 61-2: SHIFT SOLENOID VALVE (SHORT)

1. Turn the ignition switch ON (II).

2. Make sure the HDS communicates with the vehicle and the SH-AWD control unit. If it doesn't,

troubleshoot the DLC circuit; '05-07 models (see '05-07 MODELS ), '08 model (see '08 MODEL ).

3. Clear the DTC with the HDS.

4. Do the shift solenoid valve function test with the HDS.

5. Check for DTCs with the HDS.

Is DTC 61-2 indicated?

YES - Go to step 6.

NO - Intermittent failure, the system is OK at this time.

6. Turn the ignition switch OFF.

7. Disconnect SH-AWD control unit connectors A (26P) and B (8P).

8. Measure the resistance between SH-AWD control unit connector terminals A1 and B8.

NOTE:

Before you troubleshoot, review the general troubleshooting information
(see GENERAL TROUBLESHOOTING INFORMATION ).

2007 Acura RL

2005-08 DRIVELINE/AXLES Rear Differential - RL

Friday, June 05, 2009 3:02:19 PM

Fig. 137: Measuring Resistance Between SH-AWD Control Unit Connector Terminals A1 And
B8
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there 15-20 ohms?

YES - Go to step 9.

NO - Go to step 10.

9. Check for continuity between SH-AWD control unit connector terminal B2 and body ground.

Fig. 138: Checking Continuity Between SH-AWD Control Unit Connector Terminal B2 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

NO - Repair open in the wire between the SH-AWD control unit and body ground.

10. Check for continuity between SH-AWD control unit connector terminal A1 and body ground.

2007 Acura RL

2005-08 DRIVELINE/AXLES Rear Differential - RL

Friday, June 05, 2009 3:02:19 PM

Fig. 139: Checking Continuity Between SH-AWD Control Unit Connector Terminal A1 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Go to step 11.

NO - Substitute a known-good SH-AWD control unit (see SH-AWD CONTROL UNIT
REPLACEMENT ) and recheck.

11. Disconnect the shift solenoid valve 2P connector, then check for continuity between shift solenoid

valve 2P connector terminal No. 2 and body ground.

Fig. 140: Checking Continuity Between Shift Solenoid Valve 2P Connector Terminal No. 2 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Repair short to ground in the wire between the SH-AWD control unit and body ground.

NO - Replace the shift solenoid valve (see REAR DIFFERENTIAL
DISASSEMBLY/REASSEMBLY ).

DTC 74-1: ONE WAY CLUTCH MALFUNCTION

NOTE:

Before you troubleshoot, review the general troubleshooting information
(see GENERAL TROUBLESHOOTING INFORMATION ).

2007 Acura RL

2005-08 DRIVELINE/AXLES Rear Differential - RL

Friday, June 05, 2009 3:02:19 PM

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