SYSTEM DIAGRAM
How To Proceed With Troubleshooting
Basic InspectionCoolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
(P0128)
DESCRIPTION
HINT:
This DTC relates to the thermostat.
This DTC is stored when the engine coolant temperature does not reach 75°C (167°F)
despite sufficient engine warm-up time having elapsed.
DTC No.
DTC Detection Condition
...
Initialization
INITIALIZATION
1. INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
NOTICE:
When the sliding roof glass, sliding roof housing or sliding roof ECU
(sliding roof drive gear sub-assembly) is replaced or removed and installed,
t ...
Data List / Active Test
DATA LIST / ACTIVE TEST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermitt ...