Yamaha Tracer MT09TRA - Service manual > Checking the condition of the bulb sockets

The following procedure applies to all of the bulb sockets.

1. Check:

• Bulb socket (for continuity) (with the pocket tester)

No continuity → Replace.

Pocket tester 90890-03112 Analog pocket tester YU-03112-C

TIP

Check each bulb socket for continuity in the same manner as described in the bulb section; however, note the following.

a. Install a good bulb into the bulb socket.

b. Connect the pocket tester probes to the respective leads of the bulb socket.

c. Check the bulb socket for continuity. If any of the readings indicate no continuity, replace the bulb socket.

Checking the fuses

The following procedure applies to all of the fuses.

NOTICE

To avoid a short circuit, always set the main switch to "OFF" when checking or replacing a fuse.

1. Remove:

• Passenger seat/Rider seat

2. Check:

• Fuse

a. Connect the pocket tester to the fuse and check the continuity.

TIP

Set the pocket tester selector to "* 1".

b. If the pocket tester indicates "", replace the fuse.

3. Replace:

• Blown fuse

a. Set the main switch to "OFF".

b. Install a new fuse of the correct amperage rating.

c. Set on the switches to verify if the electrical circuit is operational.

d. If the fuse immediately blows again, check the electrical circuit.

WARNING

Never use a fuse with an amperage rating other than that specified. Improvising or using a fuse with the wrong amperage rating may cause extensive damage to the electrical system, cause the lighting and ignition systems to malfunction and could possibly cause a fire.

4. Install:

• Rider seat/Passenger seat

Replacing the ecu (engine control unit)

1. Turn the main switch to "OFF".

2. Replace the ECU (engine control unit).

3. Clean the throttle bodies and reset the ISC (idle speed control) learning value.

4. Check:

• Engine idling speed

Start the engine, warm it up, and then measure the engine idling speed.

Engine idling speed 1100-1300 r/min

See also: