Display Field No. 4
Select minimum heater output with front temperature cold button. Display should show a "1". Set maximum heater output with front temperature warm button. Display should show a "0". If display is not as specified, check wiring and connectors between terminal No. 15 (Brown/Blue wire) of CCM harness connector "C" and terminal No. 2 (Brown/Black wire) of auxiliary heater valve (located on left firewall). If wiring and connectors are okay, replace auxiliary heater valve.