Check the following item when performing the trouble diagnosis.
Check any possible causes by interviewing the symptom and it′s condition from the customer if any malfunction, such as EPS warning lamp is turned ON, occurs.
Check if air pressure and size of tires are proper, the specified part is used for the steering wheel, and control unit is genuine part.
Check if the connection of steering column assembly and steering gear assembly is proper (there is not looseness of mounting bolts, damage of rods, boots or sealants, and leakage of grease, etc.).
Check if the wheel alignment is adjusted properly.
Check if there is any damage or modification to suspension or body resulting in increased weight or altered ground clearance.
Check if installation conditions of each link and suspension are proper.
Check if the battery voltage is proper.
Check connection conditions of each connector are proper.
Before connecting or disconnecting the EPS control unit harness connector, turn ignition switch “OFF” and disconnect battery ground cable. Because battery voltage is applied to EPS control unit even if ignition switch is turned “OFF”.
During quick steering, rasping noise may be heard from around the steering wheel. This is not a malfunction.
The noise is an operating noise of the EPS system under normal conditions. If the rasping noise occurs during slow steering, this may not be an operating noise of the system. In this case, it is necessary to find out the location of the noise and repair, if necessary.
Preparation
Commercial Service Tools
P1148 Closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible ca ...
Cylinder block
Exploded View
Cylinder block
Block heater (for Canada)
Top ring
Second ring
Oil ring
Piston
Piston pin
Snap ring
Connecting rod
Connecting rod bearing (upper)
Connecting rod bearing (lower)
Crankshaft key
Connecting rod cap
Connecting rod cap bolt
Main bearing ca ...
Engine Oils
Prolonged and repeated contact with used engine oil may cause skin cancer.
Try to avoid direct skin contact
with used oil.
If skin contact is made, wash thoroughly with soap or hand cleaner as soon as
possible.
HEALTH PROTECTION PRECAUTIONS
Avoid prolonged and repeated contact with oils ...