Acura RL. Instruction — page 308

Fig. 413: A/T Interlock System (06-08 Models) — Circuit Diagram
Courtesy of AMERICAN HONDA MOTOR CO., INC.

SHIFT LOCK SYSTEM/REVERSE LOCK SYSTEM CIRCUIT TROUBLESHOOTING

1. Connect the HDS to the DLC.

2. Select SHIFT LOCK SOLENOID TEST in the MISCELLANEOUS TEST MENU, and check that the

SHIFT LOCK SOLENOID OPERATES with the HDS.

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2005-08 TRANSMISSION Automatic Transmission — RL

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Does the shift lock solenoid work properly?

YES — Go to step 14.

NO — Go to step 3.

3. Remove the center console (see CENTER CONSOLE REMOVAL/INSTALLATION ).

4. Disconnect the shift lock solenoid connector.

5. Turn the ignition switch to ON (II).

6. Measure the voltage between the shift lock solenoid connector terminal No. 1 and body ground.

Fig. 414: Measuring Voltage Between Shift Lock Solenoid Connector Terminal No. 1 And Body
Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES — Go to step 7.

NO — Check for a blown No. 32 (10 A) fuse in the driver’s under-dash fuse/relay box. If the fuse is OK,
repair open or short in the wire between the shift lock solenoid connector and the driver’s under-dash
fuse/relay box.

7. Shift the shift lever into P, and press the brake pedal. Do not press the accelerator.

8. Measure the voltage between the shift lock solenoid connector terminals No. 1 and No. 2 while pressing

the brake pedal.

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2005-08 TRANSMISSION Automatic Transmission — RL

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Fig. 415: Measuring Voltage Between Shift Lock Solenoid Connector Terminals No. 1 And No. 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES — Go to step 9.

NO — Go to step 10.

9. Release the brake pedal, and measure the voltage between the shift lock solenoid connector terminals No.

1 and No. 2. The shift lever must be in P.

Fig. 416: Measuring Voltage Between Shift Lock Solenoid Connector Terminals No. 1 And No. 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES — Repair short to body ground in the wire between the PCM connector terminal E22 and the shift
lock solenoid.

NO — Check the shift lock mechanism. If the mechanism is OK, replace the shift lock solenoid (see
SHIFT LOCK SOLENOID TEST).

10. Turn the ignition switch to LOCK (0).

11. Jump the SCS line with the HDS.

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2005-08 TRANSMISSION Automatic Transmission — RL

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12. Disconnect PCM connector E (31P).

13. Check for continuity between the PCM connector terminal E22 and shift lock solenoid connector terminal

No. 2.

Fig. 417: Checking Continuity Between PCM Connector Terminal E22 And Shift Lock Solenoid
Connector Terminal No. 2

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES — Substitute a known-good PCM (see SUBSTITUTING THE PCM ) and recheck.

NO — Repair open in the wire between PCM connector terminal E22 and the shift lock solenoid.

14. Press the brake pedal.

Are the brake lights ON?

YES — Go to step 15.

NO — Repair faulty brake light circuit.

15. Turn the ignition switch to LOCK (0).

16. Jump the SCS line with the HDS.

17. Disconnect PCM connector E (31P).

18. Measure the voltage between PCM connector terminal E8 and body ground while pressing the brake

pedal and when the brake pedal is released.

2007 Acura RL

2005-08 TRANSMISSION Automatic Transmission — RL

me

Friday, June 05, 2009 1:18:16 PM

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© 2005 Mitchell Repair Information Company, LLC.

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