Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between DLC and HVAC circuit
Main line between A-bag and ABS circuitSymptom diagnosis
CHARGING SYSTEM
Symptom Table
Symptom
Reference
Battery discharged
Refer to CHG-2, "Work Flow (With EXP-800 NI or GR8-1200
NI)"
or CHG-5, "Work Flow (Without EXP-800 NI or GR8-1200 NI)".
The charge warning lamp does not illuminate ...
Front disc brake
BRAKE PAD
BRAKE PAD : Inspection of Pad
PAD WEAR
Check pad thickness from the inspection hole on cylinder body.
Check using a scale if necessary
DISC ROTOR
DISC ROTOR : Inspection of Rotor
VISUAL
Check surface of disc rotor for uneven wear, cracks, and serious damage.
Replace as ne ...
P0128 thermostat function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303, P0304, P0305 or
P0306, first perform
the trouble diagnosis for DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306.
Engine coolant temperature has not risen enough to open the thermostat even ...