{"id":8935,"date":"2022-03-10T20:30:43","date_gmt":"2022-03-10T20:30:43","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2334539\/"},"modified":"2022-03-10T20:30:43","modified_gmt":"2022-03-10T20:30:43","slug":"sm2334539","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2334539\/","title":{"rendered":"DTC P0638:00 [PCM (SKYACTIV-G)]"},"content":{"rendered":"
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DTC P0638:00 [PCM (SKYACTIV-G)]<\/h3>\n<\/div>\n

SM2334539<\/p>\n

<\/p>\n
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id0102t4706100<\/p>\n



\n<\/a><\/p>\n

Outline<\/p>\n

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System malfunction location<\/p>\n<\/th>\n

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Throttle valve actuator control range\/performance problem<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Detection condition<\/span><\/div>\n<\/td>\n
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\u2022 The PCM compares the actual TP with the target TP. If the difference is more than the threshold value, the PCM determines that there is a throttle valve actuator control range\/performance problem.<\/div>\n<\/td>\n<\/tr>\n
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Fail-safe<\/span><\/div>\n<\/td>\n
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\u2022 Restricts the upper limit of the engine speed.<\/div>\n
\u2022 Fixes the throttle valve opening angle.<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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\u2022 Throttle body connector or terminals malfunction<\/div>\n
\u2022 Short to ground in throttle valve actuator control circuit<\/div>\n
\u2022 PCM connector or terminals malfunction<\/div>\n
\u2022 Short to power supply in throttle valve actuator control circuit<\/div>\n
\u2022 Open circuit in throttle valve actuator control circuit<\/div>\n
\u2022 Throttle valve actuator malfunction<\/div>\n
\u2022 Throttle valve malfunction<\/div>\n
\u2022 PCM malfunction<\/div>\n<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n



\n<\/a><\/p>\n

Diagnostic Procedure<\/p>\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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RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION<\/div>\n
\u2022 Record the freeze frame data\/snapshot data.<\/p>\n
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Note<\/div>\n<\/dd>\n
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\u2022 Recording can be facilitated using the screen capture function of the PC.<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n<\/td>\n
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\u2014<\/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 RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY<\/div>\n
\u2022 Verify related Service Bulletins, on-line repair information, or Service Information availability.<\/div>\n
\u2022 Is any related Information available?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Perform repair or diagnosis according to the available information.<\/div>\n
\u2022 If the vehicle is not repaired, 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 the next step.<\/div>\n<\/td>\n<\/tr>\n
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3<\/div>\n<\/td>\n
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INSPECT THROTTLE BODY CONNECTOR FOR MALFUNCTION<\/div>\n
\u2022 Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION<\/a>.)<\/div>\n
\u2022 Are the connector and terminal 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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4<\/div>\n<\/td>\n
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INSPECT THROTTLE VALVE ACTUATOR 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
\n
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 PCM CONNECTOR FOR MALFUNCTION<\/div>\n
\u2022 Inspect the applicable connector and terminal. (See CONNECTOR INSPECTION<\/a>.)<\/div>\n
\u2022 Are the connector and terminal normal?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
\n
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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6<\/div>\n<\/td>\n
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INSPECT THROTTLE VALVE ACTUATOR 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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7<\/div>\n<\/td>\n
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INSPECT THROTTLE VALVE ACTUATOR 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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8<\/div>\n<\/td>\n
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INSPECT THROTTLE VALVE<\/div>\n
\u2022 Perform the Electronic Control Throttle Operation Inspection. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [SKYACTIV-G (US)]<\/a>.)<\/div>\n
\u2022 Is there any malfunction?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Replace the throttle body and perform the repair completion verification.<\/div>\n
(See INTAKE-AIR SYSTEM REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
(See INTAKE-AIR SYSTEM 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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Go to the next step.<\/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 Clear the DTC recorded in the memory. (See CLEARING DTC<\/a>.)<\/div>\n
\u2022 Replicate the vehicle conditions at the time the DTC was detected using the following procedure.<\/div>\n
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\u2015 Perform the KOEO or KOER self test. (See DTC INSPECTION<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Perform the DTC inspection for the PCM. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Is the same Pending DTC present?<\/div>\n<\/td>\n
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Yes<\/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
If the CAN communication is normal, perform the diagnosis from Step 1.<\/div>\n
\u2022 If the malfunction recurs, replace the PCM, then go to the next step. (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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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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Repair completion verification 2<\/div>\n<\/td>\n
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VERIFY IF OTHER DTCs DISPLAYED<\/div>\n
\u2022 Perform the DTC inspection. (See DTC INSPECTION<\/a>.)<\/div>\n
\u2022 Are any other 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<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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DTC troubleshooting completed.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n

<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

DTC P0638:00 [PCM (SKYACTIV-G)] SM2334539 id0102t4706100 Outline System malfunction location Throttle valve actuator control range\/performance problem Detection condition \u2022 The PCM compares the actual TP with the target TP. If the difference is more than the threshold value, the PCM determines that there is a throttle valve actuator control range\/performance problem. Fail-safe \u2022 Restricts the upper limit of the engine speed. \u2022 Fixes the throttle valve opening angle. Possible cause \u2022 Throttle body connector or […]<\/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-8935","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8935","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=8935"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8935\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=8935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}