Diagnosis Procedure
1. Perform initialization procedure
Perform initialization procedure.
Refer to rf-18, "additional service when replacing control unit : special repair requirement".
Is the inspection result normal? Yes >> inspection end.
No >> perform basic inspection. Refer to rf-16, "work flow".
P0603 ECM
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0603
ECM BACK UP CIRCUIT
[Internal control module keep
alive memory (KAM) error]
Malfunction in the internal back up RAM o ...
Precaution
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 injur ...
Hood
Release the lock from the inside of the vehicle to open the hood.
1. Pull the hood lock release lever.
The hood will pop up slightly.
2. Pull up the auxiliary catch lever
and lift the hood.
3. Hold the hood open by inserting
the support rod into the slot.
â– Open hood warning buzzer
...