BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
2.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected.
3.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
4.REPAIR OR REPLACE THE MALFUNCTIONING PART
5.FINAL CHECK
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
ECU diagnosis information
CLIMATE CONTROLLED SEAT CONTROL UNIT
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
Fail-safe
Climate controlled seat control unit equips fail-safe function.
When a malfunction occurs in the systems shown as per the following,
climate controlled seat control unit
stops output. ...
HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...
M&A branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for
damage, bend and loose connection
(unit side and connector side).
2.CHECK HARNESS FOR OPEN CI ...