Operating Light Control Rheostat Does Not Change Light Brightness

METER: METER / GAUGE SYSTEM: Operating Light Control Rheostat does not Change Light Brightness

Operating Light Control Rheostat does not Change Light Brightness

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE OF TECHSTREAM (RHEOSTAT VALUE)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) Check the values by referring to the values in the table below.

Combination Meter:





OK:
Light brightness can be changed within the specified range by actual operation.
NG -- INSPECT LIGHT CONTROL RHEOSTAT
OK -- REPLACE COMBINATION METER ASSEMBLY
2. INSPECT LIGHT CONTROL RHEOSTAT





(a) Remove the light control rheostat with connector still connected.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE LIGHT CONTROL RHEOSTAT
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (BETWEEN COMBINATION MATER AND LIGHT CONTROL RHEOSTAT)





(a) Disconnect the C9 and R6 connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE COMBINATION METER ASSEMBLY