5000S Sedan L5-2226cc 2.22L SOHC (KZ) (1985)
Trip Computer: All Technical Service Bulletins
Computer, Computer Connection; Checking; Computer Range Reading, Calibrating
Work Sequence
Computer, checking
Work sequence
-
switch ignition ON
-
select all computer functions in sequence, pressing function selector switch (1) and bottom of switch (2) to select time display
If it is not possible to select all functions, - check function selector switch
-
repeat test
If it still is not possible to select all functions, or if computer display is dim:
-
remove instrument cluster. (Do not detach connectors)
-
check printed circuit for day/night illumination as follows:
Connections
-
connect voltmeter between connections for day illumination (A)
-
switch ignition ON
Specified value:
^
12.0 V (approx.)
-
connect voltmeter between connections for night illumination (B)
-
switch headlights ON and turn dimmer to full bright position specified value:
^
12.0 V (approx.)
If one of the specified readings is not attained, - repair break in wiring using current flow diagram
If specified readings are attained, - replace day/night illumination bulbs