Diagnosis system (HVAC)
U1000 CAN comm circuitP0327, P0328, P0332, P0333 KS
Description
The knock sensor is attached to the cylinder block. It senses engine knocking
using a piezoelectric element. A
knocking vibration from the cylinder block is sensed as vibrational pressure.
This pressure is converted into a
voltage signal and sent to the ECM.
DTC Logic
DTC DETE ...
Vacuum lines
Inspection
VISUAL INSPECTION
Check for improper assembly, damage and deterioration. Replace as necessary.
CHECK VALVE INSPECTION
Airtightness Inspection
Use a suitable tool to check the built-in check valve. Replace the
vacuum hose with the built-in check valve as an assembly if the vacuu ...
Diagnosis and repair work flow
Work Flow
INTRODUCTION
The TCM receives signals from the vehicle speed sensor and transmission range
switch. Then it provides shift
control or lock-up control via CVT solenoid valves.
The TCM also communicates with the ECM by means of signals
sent from sensing elements used with the OBD-r ...