NOTE: Refer to DTC P0037 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0037 A/F / O2 HEATER CONTROL CIRCUIT LOW BANK 1 SENSOR 2 1. OUTLINE OF DIAGNOSIS Detect malfunction of the rear oxygen sensor heater. Judge as NG if it is determined that the rear oxygen sensor impedance is large by observing the engine conditions. 2. COMPONENT DESCRIPTION
3. EXECUTION CONDITION
4. GENERAL DRIVING CYCLE Perform the diagnosis continuously after the enable conditions have been established. 5. DIAGNOSTIC METHOD If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 4 ms - 2500 time(s) Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles. |
Inspection
1. WASHER PUMPApply battery voltage to the connector terminal of the motor pump assembly - washer, and make sure that the motor operates.2. WASHER FLUID LEVEL SENSOR1. Check the connection status of washer fluid level sensor connector.2. Does the low washer fluid warning light illuminate after drain ...