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ac9wzw00002573
AUTO LIGHT/WIPER CONTROL MODULE INSPECTION
id091800809500
1. Remove the dashboard under cover (Driver side). (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION.)
2. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).
Terminal Voltage List (Reference)
ac9wzw00002573
|
|
Terminal |
Signal |
Connection |
Test condition |
Voltage (V) |
Action |
|
|---|---|---|---|---|---|---|
|
1A
|
Headlight relay (LO) operation
|
Headlight relay (LO)
|
Light switch at HEAD or HI position
|
1.0 or less
|
• Headlight relay (LO)
|
|
|
Light switch at OFF or TNS position
|
B+
|
|||||
|
1B
|
IG1
|
METER 10 A fuse
|
Ignition switch at ON
|
B+
|
• METER 10 A fuse
|
|
|
Ignition switch at OFF or ACC
|
1.0 or less
|
|||||
|
1C
|
Autostop switch signal
|
Autostop switch
|
Ignition switch at ON
|
Windshield wiper moving
|
B+
|
• Autostop switch (Windshield wiper motor)
|
|
Windshield wiper stopped
|
1.0 or less
|
|||||
|
1D
|
Windshield wiper switch signal (OFF)
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Windshield wiper moving
|
B+
|
• Windshield wiper and washer switch
|
|
Windshield wiper stopped
|
1.0 or less
|
|||||
|
1E
|
IG2
|
WIPER 30 A fuse
|
Ignition switch at ON
|
B+
|
• WIPER 30 A fuse
|
|
|
Ignition switch at OFF or ACC
|
1.0 or less
|
|||||
|
1F
|
Windshield wiper switch signal (HI)
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Windshield wiper switch at HI position
|
B+
|
• Windshield wiper and washer switch
|
|
Windshield wiper switch at OFF position
|
1.0 or less
|
|||||
|
1G
|
Power ground
|
GND
|
Under any condition
|
1.0 or less
|
• Power ground
|
|
|
1H
|
Windshield wiper switch signal (AUTO)
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Windshield wiper switch at AUTO position
|
B+
|
• Windshield wiper and washer switch
|
|
Other
|
1.0 or less
|
|||||
|
1I*2
|
Running light control
|
Running light (LH, RH)
|
Ignition switched ON (engine off) and light switch OFF
|
Running light illuminates
|
B+
|
• Running light (LH, RH)
|
|
Running light turns off
|
1.0 or less
|
|||||
|
1J
|
Washer switch signal
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Washer switch at ON position
|
B+
|
• Windshield wiper and washer switch
|
|
Washer switch at OFF position
|
1.0 or less
|
|||||
|
1K
|
Headlight relay (HI) operation
|
Headlight relay (HI)
|
Light switch at OFF or HI or TNS position
|
1.0 or less
|
• Headlight relay (HI)
|
|
|
Light switch at HEAD position
|
B+
|
|||||
|
1L
|
Light switch signal (LOW)
|
Light switch
|
Ignition switch at ON
|
Light switch at HI or PASS position
|
B+
|
• Light switch
|
|
Other
|
1.0 or less
|
|||||
|
2A*1
|
Rear fog light control
|
Rear fog light relay
|
Light switch at TNS or HEAD position
|
Rear fog light switch at ON position
|
1.0 or less
|
• Rear fog light relay
|
|
Rear fog light switch at OFF position
|
B+
|
|||||
|
2B
|
Sensitivity adjustment volume
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Sensitivity adjustment volume turned from + position to - position
|
0 → 0.8 → 1.5 → 1.9 → 2.2
|
• Windshield wiper and washer switch
|
|
2C
|
Light switch signal (PASS)
|
Light switch
|
Light switch at PASS position
|
1.0 or less
|
• Light switch
|
|
|
Light switch at OFF position
|
B+
|
|||||
|
2D
|
Power supply
|
• BCM
• ROOM 15 A fuse
|
Under any condition
|
B+
|
• BCM
• ROOM 15 A fuse
|
|
|
2E
|
Wiper or headlight operation request
|
Rain sensor
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• Rain sensor
|
|
|
2F
|
DLC-2
|
DLC-2
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• DLC-2
|
|
|
2G
|
TNS relay operation
|
TNS relay
|
Light switch at TNS or HEAD position
|
Below 1.5
|
• TNS relay
|
|
|
Light switch at OFF
|
B+
|
|||||
|
2H
|
Rain sensor operation request
|
Rain sensor
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• Rain sensor
|
|
|
2I
|
Front fog light relay on/off
|
Front fog light relay
|
Light switch at TNS or HEAD position
|
Front fog light switch at ON position
|
1.0 or less
|
• Front fog light relay
|
|
Front fog light switch at OFF position
|
B+
|
|||||
|
2J
|
Front fog light on/off
|
Front and rear fog light switch
|
Front and rear fog light switch at OFF position
|
Front fog light switch at ON position
|
1.0 or less
|
• Fog light switch
|
|
Front fog light switch at OFF position
|
B+
|
|||||
|
2K*1
|
Rear fog light switch signal
|
Rear fog light switch
|
Light switch at TNS or HEAD position
|
Rear fog light switch at ON position
|
1.0 or less
|
• Rear fog light switch
|
|
Rear fog light switch at OFF position
|
B+
|
|||||
|
2L
|
Light switch signal (AUTO)
|
Light switch
|
Ignition switch at ON
|
Light switch at AUTO position
|
1.0 or less
|
• Light switch
|
|
Other
|
B+
|
|||||
|
2M
|
Light switch signal (TNS)
|
Light switch
|
Ignition switch at ON
|
Light switch at TNS or HEAD position
|
1.0 or less
|
• Light switch
|
|
Other
|
B+
|
|||||
|
2N
|
Light switch signal (HEAD)
|
Light switch
|
Ignition switch at ON
|
Light switch at HEAD position
|
1.0 or less
|
• Light switch
|
|
Other
|
B+
|
|||||
|
2O
|
GND
|
GND
|
Under any condition
|
1.0 or less
|
• Body ground
|
|
|
2P
|
BCM signal
|
BCM
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• BCM
|
|