Acura CSX. Manual — part 545
*01
*02
−
−
−
−
YES
NO
YES
NO
22-227
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
WIP INT/LO SW (ORN)
WIP MIST
SW (GRN)
WIP LO/HI
SW (WHT)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
WIP INT/
LO SW
(ORN)
WIP MIST
SW (GRN)
WIP LO/HI
SW (WHT)
COMBI GND (BLK)
COMBI GND (BLK)
COMBI GND (BLK)
14. Turn the ignition switch to LOCK (0).
15. Disconnect under-dash fuse/relay box connector S
(20P).
16. Check for continuity between body ground and
under-dash fuse/relay box connector S (20P)
terminals No. 10, No. 15, and No. 20 individually.
Repair a short to ground in the wire.
Go to step 17.
17. Check for continuity between under-dash fuse/relay
box connector S (20P) terminal No. 4 and terminals
No. 10, No. 15, and No. 20 individually.
Repair a short between the wires.
Faulty MICU; replace the under-dash fuse/
relay box (see page 22-66).
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
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01
SNR9A00J54300041951FCAT00
22-228
Wipers/Washers
MICU Input Test
UNDER-DASH FUSE/RELAY BOX CONNECTOR E (42P)
YEL
GRN
ORN
BLK
BLU
WHT
UNDER-DASH FUSE/RELAY BOX CONNECTOR F (34P)
UNDER-DASH FUSE/RELAY BOX CONNECTOR S (20P)
YEL
BLK
BLK
BLK
WHT
WHT
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
BLK
BLU
1. Before testing the wiper/washer system, troubleshoot the system using B-CAN System Diagnosis Test Mode A
(see page 22-93), and check the No. 10 (7.5 A) and No. 38 (30 A) fuses in the under-dash fuse/relay box.
2. Disconnect the under-dash fuse/relay box connectors E, F, S, and T.
NOTE: All connector views are shown from wire side of female terminals.
08/08/21 14:28:47 61SNR030_220_0230
Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
22-229
3. 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 4.
4. With the connectors still disconnected, do these input tests at the following connectors.
• 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 5.
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•
F18
BLU
Under all conditions
Connect battery power to terminal
F18:
The windshield wiper motor
should run at low speed.
Poor ground (G201)
Faulty windshield wiper
motor
An open in the wire
F19
YEL
Under all conditions
Connect battery power to terminal
F19:
The windshield wiper motor
should run at high speed.
Poor ground (G201)
Faulty windshield wiper
motor
An open in the wire
F32
WHT
Disconnect the
windshield wiper
motor 5P connector
Check for continuity between
terminal F32 and wiper motor 5P
connector terminal No. 5:
There should be continuity.
An open in the wire
F33
WHT
Under all conditions
Connect battery power to terminal
F33:
The windshield washer motor
should run.
Poor ground (G201)
Faulty windshield washer
motor
An open in the wire
S6
·
S4
BLU
·
BLK
Windshield wiper/
washer switch
(intermittent dwell
timer) turned
Measure the resistance between
terminals S6 and S4:
There resistance should vary from
about 0 to 1 k
.
Faulty windshield wiper/
washer switch
An open in the wire
A short to ground in the wire
08/08/21 14:28:48 61SNR030_220_0231
Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
22-230
Wipers/Washers
5. Reconnect the connectors to the under-dash fuse/relay box, and do these input tests at the following connectors.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, the MICU must be faulty; replace the under-dash fuse/relay box.
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E6
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G602)
An open in the wire
E33
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G601)
An open in the wire
F20
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G401)
An open in the wire
T34
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G501)
An open in the wire
S10
·
S4
ORN
·
BLK
Ignition switch ON (II),
windshield wiper/
washer switch (INT)
ON
Measure the voltage between
terminals S10 and S4, and
terminals S20 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch OFF
Measure the voltage between
terminals S10 and S4, and
terminals S20 and S4:
There should be more than 5 V.
Faulty windshield wiper/
washer switch
A short to ground in the wire
S15
·
S4
GRN
·
BLK
Ignition switch ON (II),
windshield wiper/
washer switch (MIST)
ON
Measure the voltage between
terminals S15 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch (MIST)
OFF
Measure the voltage between
terminals S15 and S4:
There should be more than 5 V.
Faulty windshield wiper/
washer switch
A short to ground in the wire
S17
·
S4
YEL
·
BLK
Ignition switch ON (II),
windshield washer
switch ON
Measure the voltage between
terminals S17 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield washer
switch OFF
Measure the voltage between
terminals S17 and S4:
There should be more than 5 V.
Faulty windshield wiper/
washer switch
A short to ground in the wire
S20
·
S4
WHT
·
BLK
Ignition switch ON (II),
windshield wiper/
washer switch (LOW)
ON
Measure the voltage between
terminals S20 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch OFF
Measure the voltage between
terminals S20 and S4:
There should be more than 5 V.
Faulty windshield wiper/
washer switch
A short to ground in the wire
Ignition switch ON (II),
windshield wiper/
washer switch (HIGH)
ON
Measure the voltage between
terminals S20 and S4:
There should be less than 1 V.
Faulty windshield wiper/
washer switch
An open in the wire
Ignition switch ON (II),
windshield wiper/
washer switch OFF
Measure the voltage between
terminals S20 and S4:
There should be more than 5 V.
Faulty windshield wiper/
washer switch
A short to ground in the wire
08/08/21 14:28:48 61SNR030_220_0232
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