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acxaaw00001125
AUTO LIGHT/WIPER CONTROL MODULE INSPECTION
id091800809500
1. Connect the connector to the auto light/wiper control module.
2. Connect the negative battery cable.
3. Measure the voltage at the auto light/wiper control module using voltmeter.
Terminal Voltage List (Reference)
acxaaw00001125
|
|
Terminal |
Signal |
Connected to |
Test condition |
Voltage (V) |
Action |
||
|---|---|---|---|---|---|---|---|
|
1A
|
Windshield wiper switch signal (AUTO)
|
Windshield wiper switch
|
Ignition switch at ON
|
Windshield wiper switch at AUTO position
|
B+
|
• Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Inspect related harness
|
|
|
Windshield wiper switch at OFF position
|
1.0 or less
|
||||||
|
1B
|
Autostop switch signal
|
Autostop switch
|
Ignition switch at ON
|
Windshield wiper moving
|
B+
|
• Autostop switch (windshield wiper motor)
• Inspect related harness
|
|
|
Windshield wiper stopped
|
1.0 or less
|
||||||
|
1C
|
Windshield wiper switch signal (high)
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Windshield wiper switch at high position
|
B+
|
• Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Inspect related harness
|
|
|
Windshield wiper switch at OFF position
|
1.0 or less
|
||||||
|
1D
|
Windshield wiper switch signal (low)
|
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.)
• Inspect related harness
|
|
|
Windshield wiper stopped
|
1.0 or less
|
||||||
|
1E
|
Illumination light on/off
|
TNS relay
|
Ignition switch at ON position
|
B+
|
• Inspect ILLUMI 10 A fuse
• Inspect TNS relay (See RELAY INSPECTION.)
• Inspect related harness
|
||
|
Ignition switch at LOCK or ACC position
|
Light switch (light) at TNS or light position
|
B+
|
|||||
|
Light switch (light) at OFF position
|
1.0 or less
|
||||||
|
1F
|
Illumination light operation
|
• Instrument cluster
• Panel control switch
|
Light switch (light) at TNS or light position
|
B+
|
—
|
||
|
Light switch (light) at OFF position
|
1.0 or less
|
||||||
|
1G
|
Auto light/wiper control module ground
|
GND
|
Under any condition
|
1.0 or less
|
• Inspect GND
|
||
|
1H
|
Headlight relay (high-beam) on/off
|
Headlight relay
|
Ignition switch at ON position
|
Light switch (light) at light position
|
Light switch (dimmer) at LO position
|
B+
|
• Inspect headlight relay (See RELAY INSPECTION.)
• Inspect related harness
|
|
Light switch (dimmer) at HI position
|
B+
|
||||||
|
Flash‐to‐pass on
|
B+
|
||||||
|
Light switch (light) at OFF position
|
1.0 or less
|
||||||
|
1I
|
Headlight high operation
|
• Headlight (HI)
• Headlight relay
|
Ignition switch at ON position
|
Light switch (light) at light position
|
Light switch (dimmer) at LO position
|
B+
|
• Inspect headlight relay (See RELAY INSPECTION.)
• Inspect related harness
|
|
Light switch (dimmer) at HI position
|
1.0 or less
|
||||||
|
Flash-to-pass on
|
1.0 or less
|
||||||
|
1J
|
Headlight (high-beam) on/off
|
Light switch
|
Light switch (dimmer) at LO position
|
B+
|
• Inspect light switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
||
|
Light switch (dimmer) at HI position
|
1.0 or less
|
||||||
|
1K
|
Washer switch signal
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Washer switch on
|
B+
|
• Windshield wiper and washer switch (See WINDSHIELD WIPER AND WASHER SWITCH INSPECTION.)
• Inspect related harness
|
|
|
Washer switch off
|
1.0 or less
|
||||||
|
1L
|
power supply
|
Ignition switch
|
Ignition switch at on
|
B+
|
• Ignition switch
• Inspect related harness
|
||
|
Ignition switch at off
|
1.0 or less
|
||||||
|
2A
|
Vehicle speed input
|
Instrument cluster
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• Instrument cluster
• Inspect related harness
|
||
|
2B
|
Sensitivity adjustment volume
|
Windshield wiper and washer switch
|
Ignition switch at ON position
|
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.)
• Inspect related harness
|
|
|
2C
|
IG1
|
METER IG 10 A fuse
|
Ignition switch at ON position
|
B+
|
• Inspect METER
10 A fuse
• Inspect related harness
|
||
|
Ignition switch at LOCK or ACC position
|
1.0 or less
|
||||||
|
2D
|
Flash‐to‐pass on/off
|
Light switch (dimmer switch)
|
Light switch (light) at OFF or TNS position
|
B+
|
• Inspect light switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
||
|
Light switch (light) at light position
|
B+
|
||||||
|
Flash-to-pass
|
1.0 or less
|
||||||
|
2E
|
Wiper or headlight operation request
|
Rain sensor/Auto light sensor
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
—
|
• Rain sensor
• Inspect related harness
|
||
|
2F
|
DLC-2 power supply
|
DLC-2
|
Connect the DLC-2
|
B+
|
• Inspect related harness
|
||
|
2G
|
TNS relay on/off
|
TNS relay
|
Ignition switch at ON position
|
1.0 or less
|
• Inspect TNS relay (See RELAY INSPECTION.)
• Inspect related harness
|
||
|
Ignition switch at LOCK or ACC position and light switch (light) at OFF position
|
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
• Inspect related harness
|
||
|
2I
|
Front fog light relay on/off
|
Front fog light relay
|
Light switch (light) at TNS or light position
|
Front fog light switch at ON position
|
1.0 or less
|
• Inspect TNS relay (See RELAY INSPECTION.)
• Inspect front fog light relay (See RELAY INSPECTION.)
• Inspect related harness
|
|
|
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
|
B+
|
• Inspect front and rear fog light switch (See FRONT FOG LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
||
|
Front and rear fog light switch at ON position
|
1.0 or less
|
||||||
|
2K
|
Headlight relay on/off
|
Headlight relay
|
Ignition switch at ON position
|
1.0 or less
|
• Inspect headlight relay (See RELAY INSPECTION.)
• Inspect related harness
|
||
|
Ignition switch at LOCK or ACC and light switch (light) at OFF position
|
B+
|
||||||
|
2L
|
Auto light switch signal
|
Light switch
|
Ignition switch at ON
|
Light switch at AUTO position
|
1.0 or less
|
• Light switch
• Inspect related harness
|
|
|
Other
|
B+
|
||||||
|
2M
|
TNS on/off
|
Light switch
|
Light switch (light) at OFF position
|
B+
|
• Inspect light switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
||
|
Light switch (light) at TNS or light position
|
1.0 or less
|
||||||
|
2N
|
Light switch signal
|
Light switch
|
Light switch at light position
|
1.0 or less
|
• Light switch
• Inspect related harness
|
||
|
Light switch at OFF position
|
B+
|
||||||
|
2O
|
Rear fog light switch signal
|
Rear fog light switch
|
Light switch (light) at light position and front fog switch at ON position
|
Rear fog switch at ON
|
1.0 or less
|
• Rear fog light switch
• Inspect related harness
|
|
|
Rear fog switch at OFF position
|
B+
|
||||||
|
2P
|
Rear fog light control
|
Rear fog light relay
|
Light switch (light) at light position and front fog switch at ON position
|
Rear fog switch at ON
|
1.0 or less
|
• Rear fog light relay
• Inspect related harness
|
|
|
Rear fog switch at OFF position
|
B+
|
||||||