Description
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays

TYPE OF STANDARDIZED RELAYS
1M * 1 Make
2M * 2 Make
1T * 1 Transfer
1M*1B * 1 Make 1 Break


Harness connector
Fuse block - junction box (J/B)Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer's
comments; refer to IP-6, "Diagnosti ...
Relay control system
System Diagram
System Description
IPDM E/R activates the internal control circuit to perform the relay ON-OFF
control according to the input signals
from various sensors and the request signals received from control units via CAN
communication.
CAUTION:
IPDM E/R integrated relays cann ...
Performance test
Inspection
INSPECTION PROCEDURE
Connect recovery/recycling/recharging equipment (for HFC-134a) or
manifold gauge.
Start the engine, and set to the following condition.
Maintain test condition until A/C system becomes stable. (Approximately
10 minutes)
Check that test results ...