Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
M&A branch line circuit
STRG branch line circuitWarning function
System Description
OPERATION DESCRIPTION
The warning functions are as follows and are given to the user as warning
information and warnings using
combinations of Intelligent Key warning buzzer, KEY warning lamp, key slot
illumination and combination
meter display in combination meter.
...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow (With GR8-1200 NI)
STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI
To test the starting system, use the following special service tool:
GR8-1200 NI Multitasking battery and electrical diagnostic station
NOTE: Refer to the diagnostic station
Instru ...
System malfunction
If the FEB system malfunctions, it will be turned
off automatically, a chime will sound, the FEB
warning light (orange) will illuminate and the
warning message [Malfunction] will appear in the
vehicle information display.
Action to take
If the warning light (orange) comes on, stop the
vehicle ...