{"id":9144,"date":"2022-03-10T20:30:45","date_gmt":"2022-03-10T20:30:45","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2335529\/"},"modified":"2022-03-10T20:30:45","modified_gmt":"2022-03-10T20:30:45","slug":"sm2335529","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2335529\/","title":{"rendered":"NO.1 HEATED STEERING WHEEL SYSTEM DOES NOT OPERATE [HEATED STEERING WHEEL]"},"content":{"rendered":"
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NO.1 HEATED STEERING WHEEL SYSTEM DOES NOT OPERATE [HEATED STEERING WHEEL]<\/h3>\n<\/div>\n

SM2335529<\/p>\n

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id0603a3951100<\/p>\n

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

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Heated steering wheel system does not operate<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Description<\/span><\/div>\n<\/td>\n
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Heated steering wheel does not warm steering wheel even though heated steering wheel switch is on<\/div>\n<\/td>\n<\/tr>\n
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Possible causes<\/span><\/div>\n<\/td>\n
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The power supply is not supplied to filament of heated steering wheel<\/div>\n
\u2022 Open circuit in heated steering wheel control unit power supply circuit<\/div>\n
\u2022 Open circuit in clock spring power supply circuit<\/div>\n
\u2022 IG1 relay No.2 malfunction<\/div>\n
\u2022 Clock spring malfunction<\/div>\n
Heated steering wheel control unit not operation<\/div>\n
\u2022 Open circuit in heated steering wheel control unit ground circuit<\/div>\n
\u2022 Open circuit in clock spring ground circuit<\/div>\n
\u2022 Clock spring malfunction<\/div>\n
Heated steering wheel unit cannot control filament on<\/div>\n
\u2022 Heated steering wheel unit malfunction<\/div>\n
Heated steering wheel filament does not generate heat<\/div>\n
\u2022 Heated steering wheel unit malfunction<\/div>\n
Heated steering wheel control unit cannot receive operation signal<\/div>\n
\u2022 Open circuit in heated steering wheel control unit control circuit<\/div>\n
\u2022 Short to ground in heated steering wheel control unit control circuit<\/div>\n
\u2022 Short to power supply in heated steering wheel control unit control circuit<\/div>\n
\u2022 Open circuit in clock spring control circuit<\/div>\n
\u2022 Short to ground in clock spring control circuit<\/div>\n
\u2022 Short to power supply in clock spring control circuit<\/div>\n
\u2022 Heated steering wheel control unit malfunction<\/div>\n
\u2022 Clock spring malfunction<\/div>\n
\u2022 Dash-electrical supply unit malfunction<\/div>\n
\u2022 CAN communication line malfunction<\/div>\n
\u2022 Steering warmer switch malfunction:<\/div>\n
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\u2015 Climate control unit malfunction<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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<\/td>\n<\/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, check to make sure connectors, terminals and wiring harnesses are connected correctly and undamaged.<\/div>\n



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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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DETERMINE IF MALFUNCTION CAUSE IS HEATED STEERING WHEEL SWITCH<\/div>\n
\u2022 Using the M-MDS, display the following PIDs for the climate control unit. (See PID\/DATA MONITOR INSPECTION<\/a>.)<\/div>\n
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\u2015 STR_HEAT_SW<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Turn the heated steering wheel switch on and off while the PID STR_HEAT_SW is displayed.<\/div>\n
\u2022 Is the PID 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 climate control unit and perform the repair completion verification.<\/div>\n
(See CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [FULL-AUTO AIR CONDITIONER (US)]<\/a>.)<\/div>\n
(See CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [MANUAL AIR CONDITIONER (US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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2<\/div>\n<\/td>\n
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INSPECT IG1 RELAY No.2<\/div>\n
\u2022 Inspect the IG1 relay No.2. (See RELAY INSPECTION<\/a>.)<\/div>\n
\u2022 Is the relay 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 IG1 relay No.2 and perform the repair completion verification.<\/div>\n
(See RELAY LOCATION [(US)]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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3*<\/div>\n<\/td>\n
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INSPECT CLOCK SPRING POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT<\/div>\n
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Warning<\/div>\n<\/dd>\n
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\u2022 Handling the component parts improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the service warnings\/cautions and the workshop manual before handling the air bag system components. (See AIR BAG SYSTEM SERVICE WARNINGS [STANDARD DEPLOYMENT CONTROL SYSTEM – MEXICO SPEC.]<\/a>.) (See AIR BAG SYSTEM SERVICE CAUTIONS [STANDARD DEPLOYMENT CONTROL SYSTEM – MEXICO SPEC.]<\/a>.) (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM – US\/CANADA SPEC.]<\/a>.) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM – US\/CANADA SPEC.]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Switch the ignition off.<\/div>\n
\u2022 Disconnect the negative battery terminal and wait for 1 min or more<\/span>. (See NEGATIVE BATTERY TERMINAL DISCONNECTION\/CONNECTION [(US)]<\/a>.)<\/div>\n
\u2022 Inspect the power supply circuit for an 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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4*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL CONTROL UNIT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the power supply circuit for an 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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5*<\/div>\n<\/td>\n
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INSPECT CLOCK SPRING GROUND CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the ground circuit for an 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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6*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL CONTROL UNIT GROUND CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the ground circuit for an 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 CLOCK SPRING CONTROL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the control circuit for an 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 CLOCK SPRING CONTROL CIRCUIT FOR SHORT TO GROUND<\/div>\n
\u2022 Inspect the control 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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9*<\/div>\n<\/td>\n
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INSPECT CLOCK SPRING CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY<\/div>\n
\u2022 Inspect the control 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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10*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL CONTROL UNIT CONTROL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the control circuit for an 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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11*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL CONTROL UNIT CONTROL CIRCUIT FOR SHORT TO GROUND<\/div>\n
\u2022 Inspect the control 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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12*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL CONTROL UNIT CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY<\/div>\n
\u2022 Inspect the control 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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13*<\/div>\n<\/td>\n
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DETERMINE IF CAUSE OF MALFUNCTION IS CLOCK SPRING<\/div>\n
\u2022 Inspect for continuity between the following terminals:<\/div>\n
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\u2015 Clock spring connector 3 terminal 4A and 5A<\/div>\n
\u2015 Clock spring connector 3 terminal 4B and 5B<\/div>\n
\u2015 Clock spring connector 3 terminal 4D and 5D<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Is there continuity?<\/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 clock spring and perform the repair completion verification.<\/div>\n
(See CLOCK SPRING REMOVAL\/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM – MEXICO SPEC.]<\/a>.)<\/div>\n
(See CLOCK SPRING REMOVAL\/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM – US\/CANADA SPEC.]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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14*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL UNIT CONTROL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the control circuit for an 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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15*<\/div>\n<\/td>\n
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INSPECT HEATED STEERING WHEEL UNIT THERMISTOR SIGNAL CIRCUIT FOR OPEN CIRCUIT<\/div>\n
\u2022 Inspect the control circuit for an 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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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 dash-electrical supply unit. (See DASH-ELECTRICAL SUPPLY UNIT REMOVAL\/INSTALLATION [FULL-AUTO AIR CONDITIONER (US)]<\/a>.) (See DASH-ELECTRICAL SUPPLY 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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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 IF MALFUNCTION CAUSE IS CORRECTED<\/div>\n
\u2022 Always reconnect all disconnected connectors.<\/div>\n
\u2022 Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION\/CONNECTION [(US)]<\/a>.)<\/div>\n
\u2022 Switch the ignition ON (engine off or on).<\/div>\n
\u2022 Operate the heated steering wheel switch to turn on the heated steering wheel system.<\/div>\n
\u2022 Does the seat warmer system operate normally?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Troubleshooting completed. (Explain the contents of the servicing to the customer.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Verify the malfunction symptom in the symptom troubleshooting chart and perform the other applicable malfunction diagnosis.<\/div>\n
(See SYMPTOM TROUBLESHOOTING [HEATED STEERING WHEEL]<\/a>.)<\/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":"

NO.1 HEATED STEERING WHEEL SYSTEM DOES NOT OPERATE [HEATED STEERING WHEEL] SM2335529 id0603a3951100 Troubleshooting item Heated steering wheel system does not operate Description Heated steering wheel does not warm steering wheel even though heated steering wheel switch is on Possible causes The power supply is not supplied to filament of heated steering wheel \u2022 Open circuit in heated steering wheel control unit power supply circuit \u2022 Open circuit in clock spring power supply circuit \u2022 […]<\/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-9144","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9144","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=9144"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9144\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=9144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}