Special Service Tool
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tools

Preparation
Clip listStep lamp circuit
Description
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
CAUTION: Before performing the diagnosis,
check that the following is normal.
Battery saver output/power supply
Step lamp bulbs
1.CHECK STEP LAMP OPERATION
CONSULT
Turn igni ...
Horn function
Symptom Table
HAZARD AND HORN REMINDER FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check
"Work flow". Refer to DLK-9, "Work Flow".
If the following symptoms are detected, check systems shown in
the "Diagnosis/service procedure" column
...
Driver seat control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
*: The value at the position attained when the battery is connected is
regarded as 32768.
TERMINAL LAYOUT
PHYSICAL VALUES
Fail Safe
The fail-safe mode may be activated if the following symptoms are observed.
...