PCS-4
< FUNCTION DIAGNOSIS >[IPDM E/R]
RELAY CONTROL SYSTEM
System Description
INFOID:0000000001697580
IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
Control relay Input/output Transmit unit Control partReference
page
Front fog lamp relay Front fog lamp request signal BCM (CAN) Front fog lampsEXL-19
• Headlamp high relay
Headlamp low relay High beam request signal
Low beam request signalBCM (CAN) Headlamp high
Headlamp lowEXL-8
EXL-10
Tail lamp relay Position light request signal BCM (CAN)Parking lamps
License plate lamps
Tail lamps
Illumination systemEXL-24
Front wiper relay
Front wiper high relayFront wiper request signal BCM (CAN) Front wiper motorWW-4
Rear window defogger re-
layRear window defogger re-
quest signalBCM (CAN) Rear window defoggerDEF-6
A/C relay A/C request signalBCM (CAN)
ECM (CAN)A/C compressorHAC-11
Starter relay Ignition switch START signal TCM Starter motorSTR-6
Cooling fan relay Cooling fan request signal ECM (CAN) Cooling fan relayCO-4
ECM relay ECM relay control signal ECM (CAN) ECM relayEC-124
Throttle control motor relayThrottle control motor control
signalECM (CAN)Throttle control motor re-
layEC-38
Fuel pump relay Fuel pump request signal ECM (CAN) Fuel pumpEC-38
Ignition relay Ignition switch ON signal Ignition switch Ignition relayEC-47