WIPER AND WASHER SYSTEM 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
-
*a
Component without harness connected
(Windshield Wiper Motor Assembly)
for LHD:
Remove the windshield wiper motor assembly.
Check the LO operation.
Connect a battery positive (+) lead to terminal 5 (+1) and a negative (-) lead to terminal 4 (E), and check that the motor operates at low speed.
OK
Motor operates at low speed (LO).
Check the HI operation.
Connect a battery positive (+) lead to terminal 3 (+2) and a negative (-) lead to terminal 4 (E), and check that the motor operates at high speed.
OK
Motor operates at high speed (HI).
-
*a
Component without harness connected
(Windshield Wiper Motor Assembly)
for RHD:
Remove the windshield wiper motor assembly.
Check the LO operation.
Connect a battery positive (+) lead to terminal 1 (+1) and a negative (-) lead to terminal 5 (E), and check that the motor operates at low speed.
OK
Motor operates at low speed (LO).
Check the HI operation.
Connect a battery positive (+) lead to terminal 4 (+2) and a negative (-) lead to terminal 5 (E), and check that the motor operates at high speed.
OK
Motor operates at high speed (HI).
Result
Proceed to
OK
NG
-
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - IG1 NO. 2 RELAY AND BODY GROUND)
for LHD:
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
A11-2 (B) - Body ground
Ignition switch on (IG)
11 to 14 V
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A11-4 (E) - Body ground
Always
Below 1 Ω
for RHD:
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
A11-2 (B) - Body ground
Ignition switch on (IG)
11 to 14 V
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A11-5 (E) - Body ground
Always
Below 1 Ω
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER MOTOR ASSEMBLY - WINDSHIELD WIPER RELAY ASSEMBLY)
for LHD:
Disconnect the E95 windshield wiper relay assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A11-1 (+S) - E95-1 (+SM)
Always
Below 1 Ω
A11-3 (+2) - E95-11 (+2)
Always
Below 1 Ω
A11-1 (+S) - Body ground
Always
10 kΩ or higher
A11-3 (+2) - Body ground
Always
10 kΩ or higher
for RHD:
Disconnect the E95 windshield wiper relay assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A11-3 (+S) - E95-1 (+SM)
Always
Below 1 Ω
A11-4 (+2) - E95-11 (+2)
Always
Below 1 Ω
A11-3 (+S) - Body ground
Always
10 kΩ or higher
A11-4 (+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)
for LHD:
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A11-5 (+1) - E10-3 (+1)
Always
Below 1 Ω
A11-5 (+1) - Body ground
Always
10 kΩ or higher
for RHD:
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A11-1 (+1) - E10-3 (+1)
Always
Below 1 Ω
A11-1 (+1) - Body ground
Always
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR