{"id":8991,"date":"2022-03-10T20:30:44","date_gmt":"2022-03-10T20:30:44","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2334625\/"},"modified":"2022-03-10T20:30:44","modified_gmt":"2022-03-10T20:30:44","slug":"sm2334625","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2334625\/","title":{"rendered":"A\/C IS ALWAYS ON OR A\/C COMPRESSOR RUNS CONTINUOUSLY [SKYACTIV-G]"},"content":{"rendered":"
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A\/C IS ALWAYS ON OR A\/C COMPRESSOR RUNS CONTINUOUSLY [SKYACTIV-G]<\/h3>\n<\/div>\n

SM2334625<\/p>\n

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id0103s4891100<\/p>\n

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Troubleshooting item<\/p>\n<\/th>\n

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A\/C is always on or A\/C compressor runs continuously<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Description<\/span><\/div>\n<\/td>\n
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\u2022 A\/C compressor magnetic clutch does not disengage.<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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\u2022 PCM, body control module (BCM) or dash-electrical supply unit DTC is stored<\/div>\n
\u2022 Short to power supply in magnetic clutch power supply circuit<\/div>\n
\u2022 Magnetic clutch engagement is stuck<\/div>\n
\u2022 Climate control unit malfunction (Climate control unit always transmits A\/C request signal)<\/div>\n
\u2022 A\/C relay is stuck closed<\/div>\n
\u2022 Short to ground in A\/C relay control circuit<\/div>\n<\/td>\n<\/tr>\n
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Diagnostic Procedure<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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Step<\/p>\n<\/th>\n

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Inspection<\/p>\n<\/th>\n

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Results<\/p>\n<\/th>\n

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Action<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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1<\/div>\n<\/td>\n
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VERIFY PCM DTC<\/div>\n
\u2022 Perform the DTC inspection for the PCM. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Are any DTCs displayed?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Repair the malfunctioning location according to the applicable DTC troubleshooting.<\/div>\n
(See DTC TABLE [PCM (SKYACTIV-G (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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2<\/div>\n<\/td>\n
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VERIFY BODY CONTROL MODULE (BCM) DTC<\/div>\n
\u2022 Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Are any DTCs displayed?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Repair the malfunctioning location according to the applicable DTC troubleshooting.<\/div>\n
(See DTC TABLE [BODY CONTROL MODULE (BCM) (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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3<\/div>\n<\/td>\n
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VERIFY DASH-ELECTRICAL SUPPLY UNIT DTC<\/div>\n
\u2022 Perform the DTC inspection for the dash-electrical supply unit. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Are any DTCs displayed?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Repair the malfunctioning location according to the applicable DTC troubleshooting.<\/div>\n
(See DTC TABLE [DASH-ELECTRICAL SUPPLY UNIT (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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4<\/div>\n<\/td>\n
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DETERMINE IF MALFUNCTION CAUSE IS MAGNETIC CLUTCH OR OTHER<\/div>\n
\u2022 Start the engine and idle it.<\/div>\n
\u2022 Turn the A\/C switch on.<\/div>\n
\u2022 Remove the A\/C relay. (See RELAY LOCATION [(US)]<\/a>.)<\/div>\n
\u2022 Does the magnetic clutch disengage?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to Step 8.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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5<\/div>\n<\/td>\n
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INSPECT IF MALFUNCTION CAUSE IS MAGNETIC CLUTCH POWER SUPPLY CIRCUIT OR MAGNETIC CLUTCH<\/div>\n
\u2022 A\/C relay is removed.<\/div>\n
\u2022 Switch the ignition off.<\/div>\n
\u2022 Disconnect the magnetic clutch connector.<\/div>\n
\u2022 Start the engine and idle it.<\/div>\n
\u2022 Does the magnetic clutch disengage?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to Step 7.<\/div>\n<\/td>\n<\/tr>\n
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6<\/div>\n<\/td>\n
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INSPECT MAGNETIC CLUTCH POWER SUPPLY CIRCUIT FOR SHORT TO POWER SUPPLY<\/div>\n
\u2022 Inspect the applicable circuit for a short to power supply. (See CIRCUIT INSPECTION<\/a>.)<\/div>\n
\u2022 Is the circuit normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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7<\/div>\n<\/td>\n
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INSPECT MAGNETIC CLUTCH CLEARANCE<\/div>\n
\u2022 Verify the magnetic clutch clearance. (See MAGNETIC CLUTCH ADJUSTMENT [SKYACTIV-G 2.0, SKYACTIV-G 2.5]<\/a>.)<\/div>\n
\u2022 Is the magnetic clutch clearance normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Inspect the magnetic clutch to see if it is stuck.<\/div>\n
(See MAGNETIC CLUTCH INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5]<\/a>.)<\/div>\n
\u2022 If there is any malfunction:<\/div>\n
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\u2015 Repair or replace the malfunctioning location and perform the repair completion verification. (See MAGNETIC CLUTCH DISASSEMBLY\/ASSEMBLY [SKYACTIV-G 2.0, SKYACTIV-G 2.5]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Adjust the magnetic clutch clearance and perform the repair completion verification.<\/div>\n
(See MAGNETIC CLUTCH ADJUSTMENT [SKYACTIV-G 2.0, SKYACTIV-G 2.5]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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8<\/div>\n<\/td>\n
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DETERMINE IF MALFUNCTION CAUSE IS A\/C RELAY CONTROL SIGNAL OR A\/C REQUEST SIGNAL<\/div>\n
\u2022 Access the PCM PID A\/C_SW using the M-MDS. (See PID\/DATA MONITOR INSPECTION<\/a>.)<\/div>\n
\u2022 Monitor the PID A\/C_SW while turning on and off the air conditioner using the switch on the control panel.<\/div>\n
\u2022 Is the A\/C_SW PID value always ON?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Climate control unit always transmits A\/C request signal.<\/div>\n
\u2022 Replace the climate control unit and perform the repair completion verification. (See CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [FULL-AUTO AIR CONDITIONER (US)]<\/a>.) (See CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [MANUAL AIR CONDITIONER (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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9<\/div>\n<\/td>\n
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INSPECT A\/C RELAY FOR MALFUNCTION<\/div>\n
\u2022 Inspect the applicable part. (See RELAY INSPECTION<\/a>.)<\/div>\n
\u2022 Is the part normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n
(See RELAY LOCATION [(US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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10<\/div>\n<\/td>\n
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INSPECT A\/C RELAY CONTROL CIRCUIT FOR SHORT TO GROUND<\/div>\n
\u2022 Inspect the applicable circuit for a short to ground. (See CIRCUIT INSPECTION<\/a>.)<\/div>\n
\u2022 Is the circuit normal?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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Repair completion verification 1<\/div>\n<\/td>\n
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VERIFY THAT VEHICLE IS REPAIRED<\/div>\n
\u2022 Install\/connect the part removed\/disconnected during the troubleshooting procedure.<\/div>\n
\u2022 Has the malfunction symptom been eliminated?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Complete the symptom troubleshooting. (Explain contents of repair to customer)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.<\/div>\n
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)]<\/a>.)<\/div>\n
\u2022 If the CAN communication is normal, perform the diagnosis from Step 1.<\/div>\n
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\u2015 If the malfunction recurs, go to the next step.<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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Repair completion verification 2<\/div>\n<\/td>\n
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VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING<\/div>\n
\u2022 Verify repair information and verify that there is a new calibration in the PCM.<\/div>\n
\u2022 Is there a new calibration in the PCM?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Perform the PCM reprogramming and verify if the malfunction symptom was corrected.<\/div>\n
\u2022 If the malfunction recurs, replace the PCM. (See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Replace the PCM.<\/div>\n
(See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
(See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

A\/C IS ALWAYS ON OR A\/C COMPRESSOR RUNS CONTINUOUSLY [SKYACTIV-G] SM2334625 id0103s4891100 Troubleshooting item A\/C is always on or A\/C compressor runs continuously Description \u2022 A\/C compressor magnetic clutch does not disengage. Possible cause \u2022 PCM, body control module (BCM) or dash-electrical supply unit DTC is stored \u2022 Short to power supply in magnetic clutch power supply circuit \u2022 Magnetic clutch engagement is stuck \u2022 Climate control unit malfunction (Climate control unit always transmits A\/C […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-8991","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/comments?post=8991"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8991\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=8991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}