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 (unit side and connector side).
Models without automatic drive positioner
ECM
Harness connector E30
Harness connector M1
Models with automatic drive positioner
ECM
Harness connector E29
Harness connector B10
2.CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of ECM.
Check the resistance between the ECM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-157, "Diagnosis Procedure".
Is the inspection result normal?
Main line between A-bag and ABS circuit
ADP branch line circuitAir bags, seat belts and child restraints
Top tether strap anchor
Rear head restraints/headrests
Rear seat belts
Roof-mounted curtain side-impact and
rollover supplemental air bag
Front seat-mounted side-impact
supplemental air bags
Front head restraints/headrests
Front seat belt with pretensioner(s) and
shoulder he ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
3.BASIC INSPECTION
Check the operation of each part. Check if any concerns occu ...
Precaution
PRECAUTIONS
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 fr ...