Description
The engine speed signal is transmitted from ECM to the combination meter via CAN communication.
DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS OF ECM
Perform "Self Diagnostic Result" of ECM, and repair or replace malfunctioning parts.
>> Refer to EC-138, "CONSULT Function".
DTC B2205 vehicle speed circuit
B2268 water tempMain line between HVAC and A-bag circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
A/C auto amp.
Harness connectors M1 and E30
Check the continuity between the A/C au ...
Main line between adp and dlc circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Check the following terminals and connectors for
damage, bend and loose connection (connector side
and harness side).
Harness connec ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the customer about the symptom.
2.PRELIMINARY CHECK
Perform preliminary check.
3.TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
4.USER MODE
Perform self-diagnosis usin ...