Symptom diagnosis
RefrigerantHorn 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
...
Power supply and ground circuit
A/C AUTO AMP.
A/C AUTO AMP.: Description
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C auto amp. (1) has a built-in microcomputer that processes
information sent from various sensors needed for air conditioner
operation. The air mix door motor(s), the mode d ...
B2560 starter control relay
Description
Starter control relay, integrated in IPDM E/R, permits
the starter relay operation when in N or P position. It is
installed in parallel with the starter relay.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2560 is displayed with DTC
U1000, first perform the trouble diagno ...