Description
The front wiper does not operate under any operation conditions.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to WW-22, "Wiring Diagram".
1. CHECK WIPER RELAY OPERATION
CONSULT ACTIVE TEST
LO : Front wiper LO operation
HI : Front wiper HI operation
OFF : Front wiper stop
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 2.
2. CHECK FRONT WIPER MOTOR FUSE
Refer to WW-35, "Diagnosis Procedure".
Is the fuse blown? YES >> Replace the fuse after repairing the affected circuit.
NO >> GO TO 3.
3. CHECK FRONT WIPER MOTOR GROUND CIRCUIT
Refer to WW-42, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace harness.
4. CHECK FRONT WIPER MOTOR OUTPUT VOLTAGE

Is the inspection result normal? YES >> Replace front wiper motor. Refer to WW-67, "Removal and Installation".
NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
5. CHECK FRONT WIPER REQUEST SIGNAL INPUT

Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation" .
NO >> GO TO 6.
6. CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH)
Check combination switch (wiper and washer switch). Refer to WW-45, "Component Inspection".
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS- 135, "Removal and Installation" (without Intelligent Key system).
NO >> Repair or replace the applicable parts.
Wiper and washer system symptoms
Normal operating conditionCar phone or CB radio
When installing a CB, ham radio or car phone in
your vehicle, be sure to observe the following
precautions; otherwise, the new equipment may
adversely affect the engine control system and
other electronic parts.
WARNING
A cellular phone should not be used for
any purpose wh ...
ECU diagnosis information
FRONT AIR CONTROL
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one
based on the following priority
chart.
Priority
Detected items (DTC)
1
...
C1607, C1608 EPS control unit
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1607
EEPROM
When the memory (EEPROM) system malfunction is
detected in EPS control unit.
EPS control unit
C1608
CONTROL UNIT
When the in ...