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Lotus Service Notes Section EMR
A/C Refrigerant Distribution Valve
P2612 A/C Refrigerant Distribution Valve Control Circuit Low
P2613 A/C Refrigerant Distribution Valve Control Circuit High
Description:
The A/C refrigerant flow is regulated by the ECM using the distribution valve to control the evaporator to the
required temperature and prevent freezing.
Component connections:
Connector Description ECM Pin ECM Connector
1 Control valve driver K3 48 Way (Centre)
2 Ignition via rear ign relay - -
Monitor:
• Continuous
Enable Criteria:
• Enginerunning
Disable Criteria:
• None
Potential failure modes:
• P2612–valvewiringopencircuitorshortedtoground
• P2612–lossofpowerfromrearignitionrelay
• P2613–valvecircuit,ECMside,shortedtobatteryvoltage
• Valvefailure
• ECMoutputcircuitfailure
Diagnostic Mask:
• Theservicelightwillbeilluminatedfor30secondsafterenginestartifthefaulthasbeenpresentforthe
previous two trips.