Troubleshooting

GRIP WARMER SYSTEM (FJR13AE only)

ET3P66019

TROUBLESHOOTING
• The grip warmers do not become warm at all.
• The grip warmers are abnormally hot while the engine is idling.
• The grip warmers do not become very warm while the vehicle is traveling.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly

The grip warmers do not become warm at all.
   1. Check the fuses.                        NG →
      (Main, signaling system, and head-
      light)                                              Replace the fuse(s).
      Refer to “CHECKING THE FUS-
      ES” on page 8-217.

            OK ↓
   2. Check that the engine is started.       NG →        Start the engine.

            OK ↓
                                              NG →        Replace the headlight (on/off)/grip warmer
   3. Check that the headlight is on.
                                                          relay.

            OK ↓
   4. Check the grip warmers.                 NG →
      Refer to “CHECKING THE GRIP
                                                          Replace the grip warmer(s).
      WARMERS (FJR13AE only)” on
      page 8-235.

            OK ↓
   5. Check the entire grip warmer sys-       NG →
      tem wiring.
                                                          Properly connect or repair the grip warmer
      Refer to “CIRCUIT DIAGRAM (1/2)”
                                                          system wiring.
      on page 8-159 and “CIRCUIT DIA-
      GRAM (2/2)” on page 8-161.

            OK ↓
   Replace the grip warmer control unit.

The grip warmers are abnormally hot while the engine is idling.
   1. Check that the grip warmer adjust-      NG →        Adjust the grip warmer temperature using
      ing knob is set to the “LO” position.               the grip warmer adjusting knob.
            OK ↓

                                               8-163
                                      GRIP WARMER SYSTEM (FJR13AE only)

  2. Disconnect the grip warmer control      NG →
     unit coupler (white/yellow and
     black/green) and check that the                    Replace the ECU.
     temperature does not drop while
     the engine is running.

         OK ↓
  Replace the grip warmer control unit.

The grip warmers do not become very warm while the vehicle is traveling.
  1. Disconnect the ECU coupler and          NG →
     grip warmer control unit coupler
     (black and light green/white) and                  The wiring system from ECU coupler to
     check for continuity between the                   the grip warmer control unit coupler (black
     light green/white terminal of the                  and light green/white) is faulty and must be
     ECU coupler and the light                          repaired.
     green/white terminal of the grip
     warmer control unit coupler.

         OK ↓
  2. Check that the grip warmer adjust-      NG →       Adjust the grip warmer temperature using
     ing knob is set to the “HI” position.              the grip warmer adjusting knob.
         OK ↓
                                             NG →
  3. Execute the diagnostic mode (Diag-
     nostic code No. 57).
                                                        Replace the ECU.
     Refer to “Actuator operation table
     (Diagnostic code No.57)”.

         OK ↓
  Replace the grip warmer control unit.

                                             8-164