1. Connect the connector to the running light control module.
2. Connect the negative battery cable.
3. Measure the voltage at the running light control module using voltmeter.
4. If the value are not as specified in the Terminal Voltage List (Reference), inspect the parts under "Action" and related wiring harnesses.
5. If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the running light control module.
Terminal
|
Signal
|
Connected to
|
Test condition
|
Voltage (V)/Continuity
|
Action
|
|
---|---|---|---|---|---|---|
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
|
|||||
1D
|
Windshield wiper switch signal (low)
|
Windshield wiper and washer switch
|
Ignition switch at ON
|
Windshield wiper moving
|
B+
|
• Windshield wiper and washer switch
• 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
|
Headlight switch (light) at TNS or headlight position
|
B+
|
||||
Headlight switch (light) at OFF position
|
Below 1.0
|
|||||
1F
|
Illumination light operation
|
• Instrument cluster
• Panel control switch
|
Headlight switch (light) at TNS or headlight position
|
B+
|
-
|
|
Headlight switch (light) at OFF position
|
Below 1.0
|
|||||
1G
|
Running light control module ground
|
GND
|
Under any condition: inspect for continuity to ground
|
Yes
|
• Inspect GND
|
|
1H
|
Headlight relay (high-beam) on/off
|
Headlight relay
|
Ignition switch at ON position
|
B+
|
• Inspect headlight switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Headlight switch (light) at headlight position
|
Headlight switch (dimmer) at LO position
|
B+
|
||||
Headlight switch (dimmer) at HI position
|
B+
|
|||||
Flash-to-pass on
|
B+
|
|||||
1I
|
Headlight high operation
|
Headlight switch (dimmer switch: HI position)
|
Ignition switch at ON position
|
B+
|
• Inspect headlight relay (See RELAY INSPECTION.)
• Inspect related harness
|
|
Headlight switch (light) at headlight position
|
Headlight switch (dimmer) at LO position
|
B+
|
||||
Headlight switch (dimmer) at HI position
|
B+
|
|||||
Flash-to-pass on
|
B+
|
|||||
1J
|
Headlight (high-beam) on/off
|
Headlight switch
|
Headlight switch (dimmer) at LO position: inspect for continuity to ground
|
No
|
• Inspect headlight switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Headlight switch (dimmer) at HI position: inspect for continuity to ground
|
Yes
|
|||||
1L
|
power supply
|
Ignition switch
|
Ignition switch at on
|
B+
|
• Ignition switch
• Inspect related harness
|
|
Ignition switch at off
|
1.0 or less
|
|||||
2C
|
IG1
|
METER IG 15 A fuse
|
Ignition switch at ON position
|
B+
|
• Inspect METER IG
15 A fuse
• Inspect related harness
|
|
Ignition switch at LOCK or ACC position
|
Below 1.0
|
|||||
2D
|
Flash-to-pass on/off
|
Headlight switch (dimmer switch)
|
Headlight switch (light) at OFF or TNS position
|
No
|
• Inspect headlight switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Headlight switch (light) at headlight position
|
No
|
|||||
Flash-to-pass on
|
Yes
|
|||||
2G
|
TNS relay on/off
|
TNS relay
|
Ignition switch at ON position
|
Below 1.0
|
• Inspect TNS relay (See RELAY INSPECTION)
• Inspect related harness
|
|
Ignition switch at LOCK or ACC position and headlight switch (light) at OFF position
|
B+
|
|||||
2I
|
Front fog light relay on/off
|
Front fog light relay
|
Headlight switch (light) at TNS or headlight position
|
Front fog light switch at ON position
|
Below 1.0
|
• 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: inspect for continuity to ground
|
No
|
• Inspect front and rear fog light switch (See FRONT AND REAR FOG LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Front and rear fog light switch at ON position: inspect for continuity to ground
|
Yes
|
|||||
2K
|
Headlight relay on/off
|
Headlight relay
|
Ignition switch at ON position
|
Below 1.0
|
• Inspect headlight relay (See RELAY INSPECTION.)
• Inspect related harness
|
|
Ignition switch at LOCK or ACC and headlight switch (light) at OFF position
|
B+
|
|||||
2M
|
TNS on/off
|
Headlight switch
|
Headlight switch (light) at OFF position
|
No
|
• Inspect headlight switch (See LIGHT SWITCH INSPECTION.)
• Inspect related harness
|
|
Headlight switch (light) at TNS or headlight position
|
Yes
|
|||||
2N
|
Headlight switch signal
|
Headlight switch
|
Light switch at headlight 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
|
Headlight switch (light) at headlight position and front fog switch at ON position
|
Rear fog switch at ON position
|
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
|
Headlight switch (light) at headlight position and front fog switch at ON position
|
Rear fog switch at ON position
|
1.0 or less
|
• Rear fog light relay
• Inspect related harness
|
Rear fog switch at OFF position
|
B+
|