Acura RL. Instruction — page 309

Fig. 418: Measuring Voltage Between PCM Connector Terminal E8 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage while the brake pedal is pressed, and no voltage when the pedal is released?

YES — Go to step 20.

NO — Go to step 19.

19. Check for continuity between the PCM connector terminal E8 and brake pedal position switch 4P

connector terminal No. 2.

Fig. 419: Checking Continuity Between PCM Connector Terminal E8 And Brake Pedal Position
Switch 4P Connector Terminal No. 2

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the continuity?

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

NO — Repair open in the wire between the PCM connector terminal E8 and the brake pedal position
switch.

20. Connect PCM connector E (31P).

21. Disconnect the transmission range switch connector.

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

23. Measure the voltage between the transmission range switch connector terminals No. 4 and No. 5.

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2005-08 TRANSMISSION Automatic Transmission — RL

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Fig. 420: Measuring Voltage Between Transmission Range Switch Connector Terminals No. 4 And
No. 5

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES — Go to step 29.

NO — Go to step 24.

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

25. Disconnect PCM connector D(17P).

26. Check for continuity between the PCM connector terminal D13 and body ground.

Fig. 421: Checking Continuity Between PCM Connector Terminal D13 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES — Repair short to body ground in the wire between the PCM connector terminal D13 and the
transmission range switch.

NO — Go to step 27.

27. Check for continuity between the PCM connector terminal D13 and transmission range switch connector

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terminal No. 4.

Fig. 422: Checking Continuity Between PCM Connector Terminal D13 And Transmission Range
Switch Connector Terminal No. 4

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES — Go to step 28.

NO — Repair open in the wire between the PCM connector terminal D13 and the transmission range
switch.

28. Check for continuity between the transmission range switch connector terminal No. 5 and body ground.

Fig. 423: Checking Continuity Between Transmission Range Switch Connector Terminal No. 5 And
Body Ground

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 the transmission range switch connector terminal No. 5 and ground
(G101, G102), or repair poor ground (G101, G102).

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29. Test the transmission range switch (see TRANSMISSION RANGE SWITCH TEST ).

Is the switch OK?

YES — Go to step 30.

NO — Replace the transmission range switch (see TRANSMISSION RANGE SWITCH
REPLACEMENT
).

30. Connect the HDS to the DLC.

31. Start the engine.

32. Check the engine speed and accelerator pedal position in the A/T data list with the HDS. Do not press the

accelerator.

Is the engine speed at a normal idle, APSA about 1.0 V, and APSB about 0.5 V?

YES — Check the APP sensor signal (see APP SENSOR SIGNAL INSPECTION ).

NO — Substitute a known-good PCM (see SUBSTITUTING THE PCM ) and recheck.

KEY INTERLOCK SYSTEM CIRCUIT TROUBLESHOOTING

SRS components are located in this area. Review the SRS component locations (see COMPONENT
LOCATION INDEX
) and the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) in
the SRS before doing repairs or service.

1. Turn the ignition switch to ACCESSORY (I). The shift lever must be in P.

2. Disconnect the steering lock assembly connector.

3. Check if the ignition switch can be moved to LOCK (0).

Can the ignition switch be moved to LOCK (0)7

YES — Go to step 4.

NO — Replace the ignition key cylinder/steering lock assembly (see STEERING LOCK
REPLACEMENT
).

4. Turn the ignition switch to ACCESSORY (I) or ON (II), and shift to N.

NOTE:

This vehicle is equipped with a keyless access system. In normal operation, the
ignition switch on the steering column does not use a key. Refer to the
KEYLESS ACCESS SYSTEM .

NOTE:

One of the remotes must be in the vehicle for the switch to operate.

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