RUNNING LIGHT UNIT INSPECTION


BME091866731202

1. Remove the bracket and pull it toward you.

2. Measure the voltage at the running light unit terminals as indicated below.

3. Disconnect the running light unit connector before inspecting for continuity at terminals 1C and 1D.

4. If not as specified, inspect the parts listed under "Action."

• If the parts and wiring harnesses are okay but the system still does not work properly, replace the running light unit.

Terminal Voltage List (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

1A
Headlight high operation
Headlight switch (dimmer switch: HI position)
Headlight switch (light) at OFF or TNS position
Below 1.0
• Inspect headlight relay
• Inspect related harness
Headlight switch (dimmer) at LO position
B+
Headlight switch (dimmer) at HI position
Below 1.0
Flash-to-pass on
Below 1.0
1B
TNS operation
• Parking light
• Taillight
• License plate light
Ignition switch at ON position
B+
-
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
1C
Headlight (high beam) on/off
Headlight switch
Headlight switch (dimmer) at LO position: inspect for continuity to ground
No
• Inspect headlight switch
• Inspect related harness
Headlight switch (dimmer) at HI position: inspect for continuity to ground
Yes
1D
Running light unit ground
GND
Under any condition: inspect for continuity to ground
Yes
• Inspect GND
1E
Headlight low operation
Headlight switch (dimmer switch: LO position)
Headlight switch (dimmer) at OFF or TNS position
Below 1.0
• Inspect headlight relay
• Inspect related harness
Headlight switch (dimmer) at LO position
Below 1.0
Headlight switch (dimmer) at HI position
B+
Flash-to-pass on
B+
1F
Headlight (low beam) on/off
Headlight switch
Headlight switch (dimmer) at LO position: inspect for continuity to ground
Yes
• Inspect headlight switch
• Inspect related harness
Headlight switch (dimmer) at HI position: inspect for continuity to ground
No
2A
Power supply
DRL 10 A fuse
Under any condition
B+
• Inspect DRL 10 A fuse
• Inspect related harness
2B
IG1
METER 10 A fuse
Ignition switch at ON position
B+
• Inspect METER 10 A fuse
• Inspect related harness
Ignition switch at LOCK or ACC position
Below 1.0
2C
Headlight relay on/off
Headlight relay (dimmer switch: LO or HI position)
Headlight switch (light) at OFF or TNS position
B+
• Inspect headlight relay
• Inspect related harness
Headlight switch (light) at headlight position
Below 1.0
Flash-to-pass on
Below 1.0
2F
Flash-to-pass on/off
Headlight switch (dimmer switch)
Headlight switch (light) at OFF or TNS position
B+
• Inspect headlight switch
• Inspect related harness
Headlight switch (light) at headlight position
Below 1.0
Flash-to-pass
Below 1.0
2G
TNS relay on/off
TNS relay
Headlight switch (light) at TNS or headlight position
Below 1.0
• Inspect headlight switch
• Inspect TNS relay
• Inspect related harness
Headlight switch (light) at OFF position
B+