{"id":9173,"date":"2022-03-10T20:30:45","date_gmt":"2022-03-10T20:30:45","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2335674\/"},"modified":"2022-03-10T20:30:45","modified_gmt":"2022-03-10T20:30:45","slug":"sm2335674","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2335674\/","title":{"rendered":"AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE [FULL-AUTO AIR CONDITIONER]"},"content":{"rendered":"
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AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE [FULL-AUTO AIR CONDITIONER]<\/h3>\n<\/div>\n

SM2335674<\/p>\n

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id0703c1700400<\/p>\n

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

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Amount of air blown from vents does not change<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Description<\/span><\/div>\n<\/td>\n
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\u2022 Blower motor does not operate even if airflow volume control switch is operated (no airflow from vent)<\/div>\n
\u2022 Blower motor operation does not change even if airflow volume control switch is operated (airflow volume from vent does not change)<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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\u2022 Dash-electrical supply unit detects DTC<\/div>\n
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\u2015 Detects DTC and activates fail-safe<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Blower unit malfunction<\/div>\n
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\u2015 Blockage<\/div>\n
\u2015 Interference between blower motor fan and case<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Open circuit in blower motor power supply circuit<\/div>\n
\u2022 Short to ground in blower motor power supply circuit<\/div>\n
\u2022 Blower motor malfunction<\/div>\n
\u2022 Open circuit in blower motor signal circuit<\/div>\n
\u2022 Short to ground in blower motor signal circuit<\/div>\n
\u2022 Short to power supply in blower motor signal circuit<\/div>\n
\u2022 Climate control unit malfunction<\/div>\n
\u2022 Blower fan controller (built-in dash-electrical supply unit) malfunction<\/div>\n<\/td>\n<\/tr>\n
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<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u2022 When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while performing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, inspect make sure connectors, terminals and wiring harnesses are connected correctly and undamaged.<\/div>\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
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Step<\/p>\n<\/th>\n

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Inspection<\/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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PERFORM DASH-ELECTRICAL SUPPLY UNIT DTC INSPECTION<\/div>\n
\u2022 Perform the dash-electrical supply unit DTC inspection using the M-MDS. (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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Go to the applicable DTC inspection.<\/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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2<\/div>\n<\/td>\n
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INSPECT TO SEE WHETHER MALFUNCTION IS IN BLOWER UNIT OR ELSEWHERE<\/div>\n
\u2022 Switch the ignition ON (engine off or on).<\/div>\n
\u2022 Turn the airflow volume control switch on.<\/div>\n
\u2022 Recirculate air inside the vehicle.<\/div>\n
\u2022 Does the blower motor rotate?<\/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 4.<\/div>\n<\/td>\n<\/tr>\n
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3<\/div>\n<\/td>\n
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INSPECT BLOWER UNIT INTAKE VENT<\/div>\n
\u2022 Is blower unit intake vent restricted?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Remove obstruction, then perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Inspect if there are any obstruction in the A\/C unit passage, then perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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4*<\/div>\n<\/td>\n
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INSPECT BLOWER MOTOR POWER SUPPLY CIRCUIT FOR SHORT TO GROUND AND OPEN CIRCUIT<\/div>\n
\u2022 Inspect the power supply circuit for an open circuit and 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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5<\/div>\n<\/td>\n
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INSPECT TO SEE WHETHER MALFUNCTION IS IN BLOWER MOTOR OR ELSEWHERE<\/span><\/div>\n
\u2022 Switch the ignition off.<\/div>\n
\u2022 Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION\/CONNECTION [(US)]<\/a>.)<\/div>\n
\u2022 Inspect the blower motor. (See BLOWER MOTOR INSPECTION [(US)]<\/a>.)<\/div>\n
\u2022 Is the blower motor 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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Replace the blower motor, then perform the repair completion verification.<\/div>\n
(See BLOWER MOTOR REMOVAL\/INSTALLATION [(US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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6<\/div>\n<\/td>\n
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INSPECT BLOWER MOTOR CONTROL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the applicable circuit for open circuit. (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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7<\/div>\n<\/td>\n
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INSPECT BLOWER MOTOR 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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8<\/div>\n<\/td>\n
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INSPECT BLOWER MOTOR CONTROL 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 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<\/div>\n<\/td>\n
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VERIFY THAT MALFUNCTION SYMPTOM DOES NOT RECUR AFTER REPAIR<\/div>\n
\u2022 Is air discharged from vent?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Troubleshooting completed.<\/div>\n
Explain repairs 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, replace the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [FULL-AUTO AIR CONDITIONER (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

AMOUNT OF AIR BLOWN FROM VENTS DOES NOT CHANGE [FULL-AUTO AIR CONDITIONER] SM2335674 id0703c1700400 Troubleshooting item Amount of air blown from vents does not change Description \u2022 Blower motor does not operate even if airflow volume control switch is operated (no airflow from vent) \u2022 Blower motor operation does not change even if airflow volume control switch is operated (airflow volume from vent does not change) Possible cause \u2022 Dash-electrical supply unit detects DTC \u2015 […]<\/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-9173","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9173","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=9173"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9173\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=9173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}