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Acura CSX. Manual - part 545

＊０１

＊０２

−

YES

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)

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

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

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.

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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.

•
•

•
•
•

•

•
•

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

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

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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.

•
•
•
•
•
•
•
•
•

•

•
•

•

•
•

•

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

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

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

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

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

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Content .. 543 544 545 546 ..