DESCRIPTION The hybrid vehicle control ECU alerts the driver and performs fail-safe control based on error signals received from the battery voltage sensor. This DTC is stored if the HV battery is discharged excessively or the hybrid control system malfunctions. HINT: If the HV battery voltage has dropped due to a malfunction in other components such as the inverter with converter assembly or the hybrid vehicle transaxle assembly, recharging the HV battery will be able to restore the voltage. If the HV battery voltage has dropped excessively after the vehicle was left for a long time, the HV battery will need to be replaced.
CONFIRMATION DRIVING PATTERN HINT: After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure. Click here
CAUTION / NOTICE / HINT CAUTION:
NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work. Click here HINT:
PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes. (d) Check for DTCs. Powertrain > Hybrid Control > Trouble Codes
HINT: If the HV battery voltage has dropped due to a malfunction in other components such as the inverter with converter assembly or the hybrid vehicle transaxle assembly, recharge the HV battery and then repair the malfunctioning part. (e) Turn the power switch off.
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Enter the following menus: Powertrain / Engine / Trouble Codes. (d) Check for DTCs. Powertrain > Engine > Trouble Codes
(e) Turn the power switch off.
(a) Turn the power switch on (READY). (b) Check if the engine starts. NOTICE: Do not turn the power switch on (READY) repeatedly after duplicating the problem symptom indicated by DTC P300016 and clearing the DTCs. This may cause another problem to occur. HINT: Depressing the accelerator pedal with shift lever in P will cause the engine to start.
(c) Turn the power switch off.
(a) Make sure that the shift lever is in P position. (b) Lift up the vehicle. (c) Turn the crankshaft pulley using hand tools to check if the crankshaft can rotate smoothly. CAUTION: Do not turn the power switch on (READY) while performing this inspection. Be sure to turn the power switch off before performing this inspection, to prevent the engine from starting. NOTICE: Engine compression causes resistance when turning the crankshaft pulley. Check if the crankshaft rotates smoothly (or if it is locked) by manually applying sufficient torque to turn the crankshaft pulley. The torque required to turn the crankshaft pulley should be the same as for a known good vehicle of the same type.
(d) Lower the vehicle.
(a) Turn the power switch off. (b) Wait 10 minutes or more. (c) Connect the Techstream to the DLC3. (d) Turn the power switch on (IG). (e) Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Block 1 to 11 Voltage. Powertrain > Hybrid Control > Data List
(f) Read the Data List.
(g) Turn the power switch off.
(a) Lift up the vehicle. (b) Turn the power switch on (IG). (c) Depress the brake pedal and move the shift lever to N. (d) Turn the crankshaft pulley using hand tools to check if the crankshaft can rotate smoothly. CAUTION: Do not turn the power switch on (READY) while performing this inspection. Be sure to turn the power switch on (IG) before performing this inspection, to prevent the engine from starting. NOTICE: Engine compression causes resistance when turning the crankshaft pulley. Check if the crankshaft rotates smoothly (or if it is locked) by manually applying sufficient torque to turn the crankshaft pulley. The torque required to turn the crankshaft pulley should be the same as for a known good vehicle of the same type.
(e) Lower the vehicle. (f) Turn the power switch off.
(a) Turn the power switch on (READY). (b) Check if the engine starts. NOTICE: Do not turn the power switch on (READY) repeatedly after duplicating the problem symptom indicated by DTC P300016 and clearing the DTCs. This may cause another problem to occur. HINT: Depressing the accelerator pedal with shift lever in P will cause the engine to start.
(c) Turn the power switch off.
(a) Turn the power switch off. (b) Wait 10 minutes or more. (c) Connect the Techstream to the DLC3. (d) Turn the power switch on (IG). (e) Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Block 1 to 11 Voltage. Powertrain > Hybrid Control > Data List
(f) Read the Data List.
(g) Turn the power switch off.
Click here
Click here
(a) Turn the power switch on (READY). (b) Check if the engine starts. NOTICE: Do not turn the power switch on (READY) repeatedly after duplicating the problem symptom indicated by DTC P300016 and clearing the DTCs. This may cause another problem to occur. HINT: Depressing the accelerator pedal with shift lever in P will cause the engine to start.
(c) Turn the power switch off.
(a) Turn the power switch off. (b) Wait 10 minutes or more. (c) Connect the Techstream to the DLC3. (d) Turn the power switch on (IG). (e) Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Block 1 to 11 Voltage. Powertrain > Hybrid Control > Data List
(f) Read the Data List.
(g) Turn the power switch off.
Click here
Click here
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