Service data and specifications (SDS)
Basic inspectionThe oil pressure warning lamp does not turn on
Description
The oil pressure warning lamp stays off when the ignition
switch is turned ON.
Diagnosis Procedure
1.CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to PCS-11,
"Diagnosis Description".
2.CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure sw ...
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...
Diagnosis and repair workflow
WorkFlow
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and
environment when the malfunction occurred) as much as possible when the
customer brings the vehicle in.
2.REPRODUCE THE MALFUNCTION INFORMATION
Check the ma ...