DTC B1281: Front Wiper MIST Position Circuit Malfunction; DTC B1282: Front Wiper INT (AUTO) Position Circuit Malfunction; DTC B1283: Front Wiper LOW Position Circuit Malfunction; DTC B1284: Front Wiper HIGH Position Circuit Malfunction

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

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 )

Clear the DTCs with the HDS
Turn the ignition switch to LOCK (0) and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode
Turn the wiper switch to the MIST, INT, LOW, HIGH, and OFF positions, and wait for at least 6 seconds
Check for DTCs with the HDS
Is DTC B1281, B1282, B1283, or B1284 indicated?

YES -Go to step 5

NO -Intermittent failure, the wiper system is OK at this time Check for loose or poor connections
Select WIPERS from the BODY ELECTRICAL menu, and enter DATA LIST

Check each wiper switch position value with the DATA LIST menu

When the wiper switch is turned OFF

DATA LIST

Data List	Value
Wiper switch (LOW)	OFF
Wiper switch (HIGH)	OFF
Wiper switch (MIST)	OFF
Wiper switch (INT)	OFF

Are all data list values correct?

YES -Go to step 7

NO -Go to step 10

Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode
Disconnect driver's under-dash fuse/relay box connector R (24P)

Check for continuity between driver's under-dash fuse/relay box connector R (24P) terminals as shown

TERMINALS CONTINUITY REFERENCE CHART

From terminal	To terminal
15 (ORN)	1 (BLU) 16 (WHT) 17 (GRIM)
17 (GRN)	1 (BLU) 16 (WHT)

Is there continuity?

YES -Repair short between the wires

NO -Faulty driver's MICU, replace the driver's under-dash fuse/relay box (see DRIVER'S UNDER-DASH FUSE/RELAY BOX (MICU) REMOVAL/INSTALLATION )

Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode
Disconnect the 8P connector from the wiper switch
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode

Check each wiper switch position value with the DATA LIST menu

DATA LIST

Data List	Value
Wiper switch (LOW)	OFF
Wiper switch (HIGH)	OFF
Wiper switch (MIST)	OFF
Wiper switch (INT)	OFF

Are all data list values correct?

YES -Replace the wiper/washer switch (see WIPER/WASHER SWITCH TEST/REPLACEMENT )

NO -Go to step 14

Turn the ignition switch to LOCK(O), or press the engine start/stop button to select the OFF mode
Disconnect driver's under-dash fuse/relay box connector R (24P)
Check for continuity between body ground and driver's under-dash fuse/relay box connector R (24P) terminals No 15, No 16, and No 17

Fig 1: Checking Continuity Between Body Ground And Driver's Under-Dash Fuse/Relay Box Connector R (24P) Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair short to ground in the wire

NO -Go to step 17
Check for continuity between driver's under-dash fuse/relay box connector R (24P) terminal No 4 and terminals No 15, No 16, and No 17 individually

Fig 2: Checking Continuity Between Driver's Under-Dash Fuse/Relay Box Connector R (24P) Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair short between the wires

NO -Faulty driver's MICU, replace the driver's under-dash fuse/relay box (see DRIVER'S UNDER-DASH FUSE/RELAY BOX (MICU) REMOVAL/INSTALLATION )