Acura CSX. Manual — part 544
*01
SNR9A00J54300000000EAAT00
22-223
Circuit Diagram
D2
BLK
G401
F20
G601
BLK
E33
HI
LO
BLK
G201
AS
2
E6
BLK
G602
IG1 HOT in ON (II) and START (III)
BLU
G401
BLK
YEL
2
1
T34
G501
BLK
UNDER-DASH FUSE/RELAY BOX
MICU
F33
F32
F19
F18
8
2
4
3
1
5
5
4
1
WHT
YEL
BLU
WINDSHIELD WIPER/WASHER SWITCH
MICU
S4
S17
S15
S20
S10
S6
ORN
WHT
GRN
YEL
BLU
No. 10 (7.5 A)
No. 38 (30 A)
WHT
BLK
HI
LO
MIST
INT
OFF
BATTERY
No. 2 (IG) (50 A)
UNDER-HOOD FUSE/RELAY BOX
WHT
IGNITION SWITCH
BAT
IG1
BLU
BLK
G201
1
2
No. 1 (BAT) (100 A)
WASHER
SWITCH
INTERMITTENT
DWELL TIME
CONTROLLER
WINDSHIELD
WASHER
MOTOR
WASHER FLUID
LEVEL SWITCH
(Closed:
Float down)
GAUGE CONTROL
MODULE (TACH)
WINDSHIELD
WIPER MOTOR
H1
08/08/21 14:28:46 61SNR030_220_0225
01
02
SNR9A00K763000Y1077FAAT00
−
−
−
−
−
−
−
−
−
−
DTC B1077:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
22-224
Wipers/Washers
DTC Troubleshooting
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
WINDSHIELD WIPER MOTOR 5P CONNECTOR
AS (WHT)
AS (WHT)
WINDSHIELD WIPER MOTOR 5P CONNECTOR
AS (WHT)
Windshield Wiper (As) Signal
Error
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back
to ON (II).
3. Turn the wiper switch to LOW or HIGH for 15
seconds or more, then turn the switch OFF.
Go to step 4.
Go to step 12.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure. The windshield wiper
system is OK at this time. Check for loose or poor
connections.
5. Turn the ignition switch to LOCK (0).
6. Do the wiper motor test (see page 22-231).
Go to step 7.
Replace the windshield wiper motor
(see page 22-233) and recheck.
7. Disconnect under-dash fuse/relay box connector F
(34P) and windshield wiper motor 5P connector.
8. Check for continuity between windshield wiper
motor 5P connector terminal No. 5 and under-dash
fuse/relay box connector F (34P) terminal No. 32.
Go to step 9.
Repair an open in the WHT wire.
9. Check for continuity between windshield wiper
motor 5P connector terminal No. 5 and body
ground.
Repair a short in the WHT wire.
Go to step 10.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Do the windshield wiper r un?
Is DT C B107 7 indicated?
Does the wiper motor r un nor mally and does it
pulse?
Is ther e continuity?
Is ther e continuity?
08/08/21 14:28:46 61SNR030_220_0226
03
*01
05
−
−
−
−
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
22-225
WINDSHIELD WIPER MOTOR 5P CONNECTOR
AS (WHT)
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
LOW (BLU)
HIGH (YEL)
WINDSHIELD WIPER MOTOR 5P CONNECTOR
GND (BLK)
10. Turn the ignition switch to ON (II).
11. Measure the voltage between windshield wiper
motor 5P connector terminal No. 5 and body
ground.
Repair a short to power in the WHT wire.
Faulty MICU; replace the under-dash fuse/
relay box.
12. Turn the ignition switch to LOCK (0).
13. Check the No. 38 (30 A) fuse in the under-dash fuse/
relay box.
Go to step 14.
Replace the fuse and recheck the system.
14. Do the wiper motor test (see page 22-231).
Go to step 15.
Replace the windshield wiper motor
(see page 22-233) and recheck.
15. Reconnect the windshield wiper motor 5P
connector.
16. Measure the voltage between under-dash fuse/
relay box connector F (34P) terminals No. 18 (LOW)
and No. 19 (HIGH) and body ground with the wiper
switch in corresponding position.
Go to step 17.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
17. Measure the voltage between windshield wiper
motor 5P connector terminal No. 2 and body
ground.
Repair an open in the BLU (LOW) or YEL
(HIGH) wire.
Repair an open in the BLK wire or poor
ground (G201).
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e voltage?
Is the f use OK ?
Does the wiper motor r un nor mally?
Is ther e batter y voltage?
Is ther e less than 0.5 V ?
08/08/21 14:28:46 61SNR030_220_0227
SNR9A0GK763000Y1281FAAT10
−
−
−
−
−
−
−
−
DTC B1281:
DTC B1282:
DTC B1283:
DTC B1284:
YES
NO
When the wiper switch is turned OFF
Data List
Value
YES
NO
From terminal
To terminal
YES
NO
When the wiper switch is turned OFF
Data List
Value
YES
NO
22-226
Wipers/Washers
Windshield Wiper Switch MIST
Position Circuit Malfunction
Windshield Wiper Switch INT
Position Circuit Malfunction
Windshield Wiper Switch LOW
Position Circuit Malfunction
Windshield Wiper Switch HIGH
Position Circuit Malfunction
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN System
Diagnosis Test Mode A (see page 22-93).
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back
to ON (II).
3. Turn the wiper switch to the MIST, INT, LOW, HIGH,
and OFF positions, and wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the wiper system is OK at
this time. Check for loose or poor connections.
5. Select WIPERS from the BODY ELECTRICAL menu,
and enter DATA LIST.
6. Check each wiper switch position value with the
DATA LIST menu.
Wiper switch (LOW)
OFF
Wiper switch (HIGH)
OFF
Wiper switch (MIST)
OFF
Wiper switch (INT)
OFF
Go to step 7.
Go to step 10.
7. Turn the ignition switch to LOCK (0).
8. Disconnect under-dash fuse/relay box connector S
(20P).
9. Check for continuity between under-dash fuse/relay
box connector S (20P) terminals as shown:
10
6, 15, 20
15
6, 20
Repair a short between the wires.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
10. Turn the ignition switch to LOCK (0).
11. Disconnect the 8P connector from the wiper switch.
12. Turn the ignition switch to ON (II).
13. Check each wiper switch position value with the
DATA LIST menu.
Wiper switch (LOW)
OFF
Wiper switch (HIGH)
OFF
Wiper switch (MIST)
OFF
Wiper switch (INT)
OFF
Replace the wiper/washer switch (see page
22-234).
Go to step 14.
Is DT C B1281, B1282, B1283, or B1284 indicated?
Ar e all data list values cor r ect?
Is ther e continuity?
Ar e all data list values cor r ect?
08/08/21 14:28:47 61SNR030_220_0228
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