STEP | DESCRIPTION | |
STEP 1 | Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information required to make a good analysis: |
|
WHAT | Vehicle Model, Engine, Transmission/Transaxle and the System (i.e. Radio). | |
WHEN | Date, Time of Day, Weather Conditions, Frequency. | |
WHERE | Road Conditions, Altitude and Traffic Situation. | |
HOW | System Symptoms, Operating Conditions (Other Components
Interaction).
Service History and if any After Market Accessories have been installed. |
|
STEP 2 | Operate the system, road test if necessary.
Verify the parameter of the incident. If the problem cannot be duplicated, refer to “Incident Simulation Tests”. |
|
STEP 3 | Get the proper diagnosis materials together including:
Identify where to begin diagnosis based upon your knowledge of the system operation and the customer comments. |
|
STEP 4 | Inspect the system for mechanical binding, loose
connectors or wiring damage.
Determine which circuits and components are involved and diagnose using the Power Supply Routing and Harness Layouts. |
|
STEP 5 | Repair or replace the incident circuit or component. | |
STEP 6 | Operate the system in all modes. Verify the system works properly under all conditions. Make sure you have not inadvertently created a new incident during your diagnosis or repair steps. |
Precaution for supplemental restraint system (SRS) "air bag" and "seat
belt pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Inspection and adjustment
Additional service when replacing control unit
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
WARNING:
Always perform zero point reset using CONSULT when removing and
installing the front passenger
seat or servicing the occupant classification system. If zero point reset is not ...
P0743 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0743
TORQUE CONVERTER
(Torque Converter Clutch Circuit
Electrical)
The TCM torque converter clutch solenoid
valve current monitor ...