WIPER AND WASHER SYSTEM(w/ Rain Sensor) Front Wiper Motor Circuit
| DTC Code | DTC Name |
|---|---|
| Front Wiper Motor Circuit |
DESCRIPTION
The windshield wiper relay assembly controls the windshield wiper motor assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY
Remove the windshield wiper motor assembly.
Inspect the windshield wiper motor assembly.
Result
Proceed to
OK
NG
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - BATTERY AND BODY GROUND)
-
*A
for LHD
*B
for RHD
*a
Front view of wire harness connector
(to Windshield Wiper Motor Assembly)
Disconnect the windshield wiper motor assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 1. for LHD Tester Connection
Condition
Specified Condition
A7-4 (E) - Body ground
Always
Below 1 Ω
Table 2. for RHD Tester Connection
Condition
Specified Condition
A7-5 (E) - Body ground
Always
Below 1 Ω
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Switch Condition
Specified Condition
A7-2 (B) - Body ground
Ignition switch ON
11 to 14 V
Ignition switch off
Below 1 V
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
-
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - WINDSHIELD WIPER RELAY ASSEMBLY)
Disconnect the A7 windshield wiper motor assembly connector.
Disconnect the G85 windshield wiper relay assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 3. for LHD Tester Connection
Condition
Specified Condition
A7-1 (+S) - G85-1 (+SM)
Always
Below 1 Ω
A7-3 (+2) - G85-11 (+2)
Always
Below 1 Ω
A7-1 (+S) - Body ground
Always
10 kΩ or higher
A7-3 (+2) - Body ground
Always
10 kΩ or higher
Table 4. for RHD Tester Connection
Condition
Specified Condition
A7-3 (+S) - G85-1 (+SM)
Always
Below 1 Ω
A7-4 (+2) - G85-11 (+2)
Always
Below 1 Ω
A7-3 (+S) - Body ground
Always
10 kΩ or higher
A7-4 (+2) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - WINDSHIELD WIPER SWITCH ASSEMBLY)
Disconnect the A7 windshield wiper motor assembly connector.
Disconnect the G11*1 or G62*2 windshield wiper switch assembly connector.
*1: for RH Side Type
*2: for LH Side Type
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 5. for LHD Tester Connection
Condition
Specified Condition
A7-5 (+1) - G11-3 (+1)
Always
Below 1 Ω
A7-5 (+1) - Body ground
Always
10 kΩ or higher
Table 6. for RHD Tester Connection
Condition
Specified Condition
A7-1 (+1) - G11-3 (+1)*1
Always
Below 1 Ω
A7-1 (+1) - G62-2 (+1)*2
Always
Below 1 Ω
A7-1 (+1) - Body ground
Always
10 kΩ or higher
*1: for RH Side Type
*2: for LH Side Type
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY
Temporarily replace the windshield wiper motor assembly with a new or normally functioning one.
Result
Proceed to
NEXT
CHECK FRONT WIPER OPERATION
Check the front wiper operation.
Result
Proceed to
Front wiper operate normally
Front wiper does not operate
Front wiper operate normally END (WINDSHIELD WIPER MOTOR ASSEMBLY WAS DEFECTIVE)
Front wiper does not operate PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE