WW-20
< SERVICE INFORMATION >
FRONT WIPER AND WASHER SYSTEM
1.COMBINATION SWITCH TO BCM INSPECTION
Select "BCM" on CONSULT-II. With "WIPER" data monitor, check
that "FR WASHER SW" turns ON-OFF according to operation of
front washer switch.
OK or NG
OK >> Replace BCM. Refer to BCS-24, "BCM".
NG >> Replace wiper switch. Refer to WW-23, "
Wiper and
Washer Switch".
Front Wipers Operate For 10 Seconds, Stop For 20 Seconds, And After Repeating This Operation
Five Times, They Become Inoperative
CAUTION:
• When auto stop signal has not varied for 10 seconds or longer while IPDM E/R is operating front wip-
ers, IPDM E/R considers front wipers locked and stops wiper output, which causes this symptom.
• This status can be checked by using IPDM E/R "DATA MONITOR". Under this condition, "WIP PROT"
reads "BLOCK".
1.CHECK IPDM E/R TO FRONT WIPER MOTOR
With CONSULT-II
Select "IPDM E/R" with CONSULT-II. With data monitor, confirm that
"WIP AUTO STOP" changes from "ACT P" to "STOP P" according to
wiper operation.
Without CONSULT-II
GO TO 2.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and
Installation of IPDM E/R".
NG >> GO TO 2.
2.IPDM E/R TO FRONT WIPER MOTOR AUTO STOP CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and front wiper motor connector.
3. Check continuity between IPDM E/R harness connector terminal
and front wiper motor harness connector terminal.
WKIA1018E
SKIA5301E
Te r m i n a l s
Continuity
Connector Terminal Connector Terminal
E122 43 E23 6 Yes
WKIA2084E
