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acxaaw00001169
AUTO LIGHT CONTROL MODULE INSPECTION
id091800807400
1. Measure the voltage at the auto light control module terminals as indicated below.
Terminal Voltage List (Reference)
acxaaw00001169
|
|
Terminal |
Signal |
Connection |
Test condition |
Voltage (V) |
Action |
|
|---|---|---|---|---|---|---|
|
A
|
Ground
|
GND
|
Under any condition
|
1.0 or less
|
Inspect GND
|
|
|
B
|
Auto light sensor input
|
Auto light sensor
|
Fluorescent light shined directly on the auto light sensor
|
0.21—4.65
|
• Inspect auto light sensor (SeeAUTO LIGHT CONTROL MODULE INSPECTION.)
• Inspect related harness
|
|
|
Blocking light to auto light sensor
|
0.20 or less
|
• Inspect auto light sensor (SeeAUTO LIGHT CONTROL MODULE INSPECTION.)
• Inspect related harness
|
||||
|
C
|
IG1
|
METER 10 A fuse
|
Ignition switch at ON
|
B+
|
• Inspect METER 10 A fuse
• Inspect related harness
|
|
|
Ignition switch at LOCK or ACC
|
1.0 or less
|
|||||
|
G
|
Power supply
|
ROOM 15 A fuse
|
Constant
|
B+
|
• Inspect ROOM 15 A fuse
• Inspect related harness
|
|
|
H
|
Auto light sensor power supply
|
Auto light sensor
|
Constant
|
5
|
• Inspect auto light sensor (SeeAUTO LIGHT CONTROL MODULE INSPECTION.)
• Inspect related harness
|
|
|
L
|
Light switch (Auto) signal
|
Light switch
|
Ignition switch at ON
|
Light switch at AUTO position
|
1.0 or less
|
• Inspect light switch
• Inspect related harness
|
|
Other
|
B+
|
|||||
|
M
|
TNS relay operation/TNS switch on/off
|
TNS relay
|
Ignition switch at ON and light switch at AUTO position
|
Parking lights turn on (Sensor voltage is 0.3 V or less.)
|
1.0 or less
|
• Inspect TNS 15 A fuse
• Inspect TNS relay
• Inspect related harness
|
|
Parking lights turn off (Sensor voltage is 2.3 V or more.)
|
B+
|
|||||
|
Light switch
|
Ignition switch at ON
|
Light switch at TNS or headlight position
|
1.0 or less
|
• Inspect light switch
• Inspect related harness
|
||
|
Light switch at OFF position
|
B+
|
|||||
|
N
|
Headlight relay operation/light switch on/off
|
Headlight relay
|
Ignition switch at ON and light switch at AUTO position
|
Headlights (low-beam) turn on
(Sensor voltage is 0.3 V or less.)
|
1.0 or less
|
• Inspect headlight relay
• Inspect related harness
|
|
Headlights (low-beam) turn off
(Sensor voltage is 2.3 V or more.)
|
B+
|
|||||
|
Light switch
|
Light switch at headlight position
|
1.0 or less
|
• Inspect light switch
• Inspect related harness
|
|||
|
Light switch at OFF or TNS position
|
B+
|
|||||
|
O
|
Ground
|
GND
|
Under any condition
|
1.0 or less
|
Inspect GND
|
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