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ac9wzw00001520
AUTO LIGHT/WIPER CONTROL MODULE INSPECTION
id091800809500
1. Measure the voltage at the auto light/wiper control module terminals as indicated below.
Terminal Voltage List (Reference) (Without Auto Light-off)
ac9wzw00001520
|
|
Terminal |
Signal |
Connection |
Test condition |
Voltage (V) |
Action |
|
|---|---|---|---|---|---|---|
|
1A
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
1.0 or less
|
|||||
|
1B
|
Autostop switch signal
|
Autostop switch
|
Ignition switch at ON
|
Windshield wiper moving
|
B+
|
• Autostop switch (Windshield wiper motor) (See WINDSHIELD WIPER MOTOR INSPECTION.)
• Related wiring harnesses
|
|
Windshield wiper stopped
|
1.0 or less
|
|||||
|
1C
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Windshield wiper stopped
|
1.0 or less
|
|||||
|
1E
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1F
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1G
|
GND
|
GND
|
Under any condition
|
1.0 or less
|
• Related wiring harnesses
|
|
|
1H
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1I
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1J
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1K
|
Washer switch signal
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Washer switch at ON position
|
B+
|
• Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Washer switch at OFF position
|
1.0 or less
|
|||||
|
1L
|
IG2
|
WIPER 30 A fuse
|
Ignition switch at ON
|
B+
|
• WIPER 30 A fuse
• Related wiring harnesses
|
|
|
Ignition switch at LOCK or ACC
|
1.0 or less
|
|||||
|
2A
|
Vehicle speed signal input
|
Instrument cluster
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• Instrument cluster (See INSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODE.)
• Related wiring harnesses
|
|
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
2C
|
IG1
|
METER 10 A fuse
|
Ignition switch at ON
|
B+
|
• METER 10 A fuse
• Related wiring harnesses
|
|
|
Ignition switch at LOCK or ACC
|
1.0 or less
|
|||||
|
2D
|
Flash-to-pass on/off
|
Light switch (dimmer switch)
|
Flash-to-pass on
|
1.0 or less
|
• Light switch (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
|
Flash-to-pass off
|
B+
|
|||||
|
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
• Related wiring harnesses
|
|
|
2F
|
DLC-2 power supply
|
DLC-2
|
Under any condition
|
B+
|
• Related wiring harnesses
|
|
|
2G
|
TNS relay operation
|
TNS relay
|
Light switch at TNS or HEAD position
|
Below 1.5
|
• TNS relay (See RELAY INSPECTION.)
• Related wiring harnesses
|
|
|
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
• Related wiring harnesses
|
|
|
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 (See RELAY INSPECTION.)
• Related wiring harnesses
|
|
Front fog light switch at OFF position
|
B+
|
|||||
|
2J*
|
Front fog light on/off
|
Front and rear fog light switch
|
Light switch at TNS or HEAD position
|
Front fog light switch at ON position
|
1.0 or less
|
• Fog light switch (See FOG LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Front fog light switch at OFF position
|
B+
|
|||||
|
2K
|
Headlight relay (LO) operation
|
Headlight relay (LO)
|
Light switch at HEAD or HI position
|
Below 1.5
|
• Headlight relay (LO) (See RELAY INSPECTION.)
• Related wiring harnesses
|
|
|
Light switch at OFF or TNS position
|
B+
|
|||||
|
2L
|
Light switch signal (AUTO)
|
Light switch
|
Ignition switch at ON
|
Light switch at AUTO position
|
1.0 or less
|
• Light switch (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
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 (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
B+
|
|||||
|
2N
|
Light switch signal (HEAD)
|
Light switch
|
Ignition switch at ON
|
Light switch at HEAD position
|
1.0 or less
|
• Light switch (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
B+
|
|||||
|
2O*
|
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 (See FOG LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Rear fog light switch at OFF position
|
B+
|
|||||
|
2P*
|
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 (See RELAY INSPECTION.)
• Inspect related harness
|
|
Rear fog light switch at OFF position
|
B+
|
|||||
Terminal Voltage List (Reference) (With Auto Light-off)
ac9wzw00001520
|
|
Terminal |
Signal |
Connection |
Test condition |
Voltage (V) |
Action |
|
|---|---|---|---|---|---|---|
|
1A
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1B
|
—
|
—
|
—
|
—
|
—
|
—
|
|
1C
|
Autostop switch signal
|
Autostop switch
|
Ignition switch at ON
|
Windshield wiper moving
|
B+
|
• Autostop switch (Windshield wiper motor) (See WINDSHIELD WIPER MOTOR INSPECTION.)
• Related wiring harnesses
|
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Windshield wiper stopped
|
1.0 or less
|
|||||
|
1E
|
IG2
|
WIPER 30 A fuse
|
Ignition switch at ON
|
B+
|
• WIPER 30 A fuse
• Related wiring harnesses
|
|
|
Ignition switch at LOCK 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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Windshield wiper switch at OFF position
|
1.0 or less
|
|||||
|
1G
|
—
|
—
|
—
|
—
|
—
|
—
|
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
1.0 or less
|
|||||
|
1I*
|
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 (See RELAY INSPECTION.)
• Inspect related harness
|
|
Rear fog light switch at OFF position
|
B+
|
|||||
|
1J
|
Washer switch signal
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Washer switch at ON position
|
B+
|
• Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Washer switch at OFF position
|
1.0 or less
|
|||||
|
1K*
|
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 (See FOG LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Rear fog light switch at OFF position
|
B+
|
|||||
|
1L
|
—
|
—
|
—
|
—
|
—
|
—
|
|
2A
|
Vehicle speed signal input
|
Instrument cluster
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• Instrument cluster (See INSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODE.)
• Related wiring harnesses
|
|
|
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 (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Related wiring harnesses
|
|
2C
|
IG1
|
METER 10 A fuse
|
Ignition switch at ON
|
B+
|
• METER 10 A fuse
• Related wiring harnesses
|
|
|
Ignition switch at LOCK or ACC
|
1.0 or less
|
|||||
|
2D
|
Power supply
|
• BCM
• ROOM 15 A fuse
|
Under any condition
|
B+
|
• BCM (See BODY CONTROL MODULE (BCM) INSPECTION.)
• ROOM 15 A fuse
• Related wiring harnesses
|
|
|
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
• Related wiring harnesses
|
|
|
2F
|
DLC-2 power supply
|
DLC-2
|
Under any condition
|
B+
|
• Related wiring harnesses
|
|
|
2G
|
TNS relay operation
|
TNS relay
|
Light switch at TNS or HEAD position
|
Below 1.5
|
• TNS relay (See RELAY INSPECTION.)
• Related wiring harnesses
|
|
|
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
• Related wiring harnesses
|
|
|
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 (See RELAY INSPECTION.)
• Related wiring harnesses
|
|
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 (See FOG LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Front fog light switch at OFF position
|
B+
|
|||||
|
2K
|
Headlight relay (LO) operation
|
Headlight relay (LO)
|
Light switch at HEAD or HI position
|
Below 1.5
|
• Headlight relay (LO) (See RELAY INSPECTION.)
• Related wiring harnesses
|
|
|
Light switch at OFF or TNS position
|
B+
|
|||||
|
2L
|
Light switch signal (AUTO)
|
Light switch
|
Ignition switch at ON
|
Light switch at AUTO position
|
1.0 or less
|
• Light switch (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
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 (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
B+
|
|||||
|
2N
|
Light switch signal (HEAD)
|
Light switch
|
Ignition switch at ON
|
Light switch at HEAD position
|
1.0 or less
|
• Light switch (See LIGHT SWITCH INSPECTION.)
• Related wiring harnesses
|
|
Other
|
B+
|
|||||
|
2O
|
GND
|
GND
|
Under any condition
|
1.0 or less
|
• Related wiring harnesses
|
|
|
2P
|
—
|
—
|
—
|
—
|
—
|
—
|