Acura RL. Manual - part 858

YES - Go to step 13.

NO - Replace the blown fuse and recheck the system.

13. Turn the ignition switch ON (II).

14. Measure the voltage between the No. 2 terminal of the windshield wiper motor 5P connector and body

ground.

Fig. 10: Measuring Voltage Between No. 2 Terminal Of Windshield Wiper Motor 5P Connector
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES - Go to step 15.

NO - Check the No. 9 (30 A) fuse in the under-hood fuse/relay box. If the fuse is OK, repair an open
in the RED wire, or replace the faulty windshield wiper motor relay in the under-hood fuse/relay box.

15. Check for continuity between the No. 3 and No. 5 terminals of the windshield wiper motor 5P

connector and the No. 2 and No. 4 terminals of under-hood fuse/relay box connector K (5P)
respectively.

Fig. 11: Checking Continuity Between No. 3 And No. 5 Terminals And No. 2 And No. 4
Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Wipers/Washers - RL

Friday, June 05, 2009 3:19:36 PM

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Is there continuity?

YES - Faulty relay control module; replace the under-hood fuse/relay box.

NO - Repair an open in the BLU or YEL wire.

DTC B1281: WINDSHIELD WIPER SWITCH MIST POSITION CIRCUIT MALFUNCTION; DTC
B1282: WINDSHIELD WIPER SWITCH INT (AUTO) POSITION CIRCUIT MALFUNCTION;
DTC B1283: WINDSHIELD WIPER SWITCH LOW POSITION CIRCUIT MALFUNCTION; DTC
B1284: WINDSHIELD WIPER SWITCH HIGH POSITION CIRCUIT MALFUNCTION

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Turn the windshield wiper switch to MIST, and wait for 2 seconds.

4. Turn the windshield wiper switch OFF, and wait for 2 seconds.

5. Turn the windshield wiper switch to INT (AUTO), and wait for 2 seconds.

6. Turn the windshield wiper switch to LOW, and wait for 2 seconds.

7. Turn the windshield wiper switch in HIGH, and wait for 2 seconds.

8. Check for DTCs with the HDS.

Is DTC B1281, B1282, B1283, and/or B1284 indicated?

YES - Replace the wiper/washer switch.

NO - Intermittent failure, the wiper/washer switch and the combination switch control unit are OK at
this time. Check for loose or poor connections.

WIPER/WASHER SWITCH REPLACEMENT

1. Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD UNDERCOVER

REMOVAL/INSTALLATION ), and the driver's dashboard lower cover (see DRIVER'S
DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).

2. Remove the steering column covers (see STEERING COLUMN REMOVAL AND

INSTALLATION ).

3. Disconnect the combination light switch 12P connector, and dashboard wire harness 8P connector (A)

from the wiper/washer switch (B).

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 ).

NOTE:

The wiper/washer switch is built into the combination switch control unit.
For the wiper/washer test, refer to the COMBINATION SWITCH CONTROL
UNIT INPUT TEST .

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Wipers/Washers - RL

Friday, June 05, 2009 3:19:36 PM

Page 10

Fig. 12: Identifying Dashboard Wire Harness 8P Connector And Wiper/Washer Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Remove the two screws, then slide out the wiper/washer switch.

WIPER/WASHER SWITCH (COMBINATION SWITCH CONTROL UNIT)
INPUT TEST

1. Before troubleshooting the wiper/washer system, troubleshoot the B-CAN System Diagnosis Test

Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

2. Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD UNDERCOVER

REMOVAL/INSTALLATION ), and the driver's dashboard lower cover (see DRIVER'S
DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).

3. Remove the steering column covers (see STEERING COLUMN REMOVAL AND

INSTALLATION ).

4. Disconnect the 8P connector (A) from the wiper/washer switch (B).

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Wipers/Washers - RL

Friday, June 05, 2009 3:19:36 PM

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Fig. 13: Identifying Wiper/Washer Switch And 8P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Inspect the connector and socket terminals to be sure they are all making good contact.



If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.



If the terminals look OK, go to step 6.

6. With the connector still disconnected, make these input tests at the connector.



If any test indicates a problem, find and correct the cause, then recheck the system.



If all the input tests prove OK, go to step 7.

WIRE CAVITY REFERENCE CHART

Cavity Wire

Test condition

Test: Desired result

Possible cause if

desired result is

not obtained

PNK

Under all conditions

Check for continuity between the No. 5
terminal and under-hood fuse/relay box
connector J (10P) No. 5 terminal:
There should be continuity.

An open in the
wire

Disconnect under-hood

fuse/relay box connector

J (10P)

Check for continuity between the No. 5
terminal and body ground:
There should be no continuity.

A short to ground
in the wire

GRN

Under all conditions

Check for continuity between the No. 4
terminal and driver's under-dash
fuse/relay box connector N (45P) No. 28
terminal:
There should be continuity.

An open in the
wire

Disconnect driver's

Check for continuity between the No. 4 A short to ground

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Wipers/Washers - RL

Friday, June 05, 2009 3:19:36 PM

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