Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001DRT1
Model Year Start: 2019 Model: Camry HV Prod Date Range: [09/2018 - 09/2019]
Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): PROBLEM SYMPTOMS TABLE; 2019 MY Camry HV [09/2018 - 09/2019]

PROBLEM SYMPTOMS TABLE

Hybrid Control System

Symptom

Suspected Area

Link

Cannot enter EV drive mode

CAN communication system

2018 - 2024 MY Camry HV [07/2017 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Pattern select switch EV mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch EV Mode Circuit

EV drive mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: COMBINATION SWITCH: INSPECTION

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

EV mode indicator light does not illuminate

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

EV drive mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: COMBINATION SWITCH: INSPECTION

Pattern select switch EV mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch EV Mode Circuit

EV mode indicator light does not turn off

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

EV drive mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: COMBINATION SWITCH: INSPECTION

Pattern select switch EV mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch EV Mode Circuit

Cannot enter ECO mode

CAN communication system

2018 - 2024 MY Camry HV [07/2017 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

ECO mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HEATING / AIR CONDITIONING: ECO SWITCH: INSPECTION

Pattern select switch ECO mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch Eco Mode Circuit

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

ECO mode indicator light does not illuminate

ECO mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HEATING / AIR CONDITIONING: ECO SWITCH: INSPECTION

Pattern select switch ECO mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch Eco Mode Circuit

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

ECO mode indicator light does not turn off

ECO mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HEATING / AIR CONDITIONING: ECO SWITCH: INSPECTION

Pattern select switch ECO mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch Eco Mode Circuit

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Cannot enter SPORT mode

CAN communication system

2018 - 2024 MY Camry HV [07/2017 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

SPORT mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: COMBINATION SWITCH: INSPECTION

Pattern select switch SPORT mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch Sport Mode Circuit

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

SPORT mode indicator light does not illuminate

SPORT mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: COMBINATION SWITCH: INSPECTION

Pattern select switch SPORT mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch Sport Mode Circuit

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

SPORT mode indicator light does not turn off

SPORT mode switch (Electric parking brake switch assembly)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: COMBINATION SWITCH: INSPECTION

Pattern select switch SPORT mode circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Pattern Select Switch Sport Mode Circuit

Combination meter assembly

2018 - 2024 MY Camry HV [07/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Hunting (Poor idle)

Check for Diagnosis Related Information*1

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

Drive Start Control

2019 MY Camry HV [09/2018 - 09/2019]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Drive Start Control

Hesitation and/or poor acceleration

Check for Diagnosis Related Information*1

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

Brake override system

2019 MY Camry HV [09/2018 - 09/2019]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Brake Override System

Drive Start Control

2019 MY Camry HV [09/2018 - 09/2019]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Drive Start Control

Shift range position cannot be changed by shifting to "+"or "-"

Transmission control switch circuit

2018 - 2019 MY Camry HV [07/2017 - 09/2019]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Transmission Control Switch Circuit

Shift position indicator is malfunctioning

Indicator circuit

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): Indicator Circuit

Power switch does not turn on (READY).

Smart entry and start system (for start function)

2018 - 2022 MY Camry HV [07/2017 - 08/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): HOW TO PROCEED WITH TROUBLESHOOTING

ECU power source circuit (Hybrid control system)

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): ECU Power Source Circuit

Hybrid vehicle control ECU assembly

2018 - 2020 MY Camry HV [07/2017 - 10/2020]; HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL

ECM

2018 - 2020 MY Camry HV [07/2017 - 10/2020]; A25A-FXS (ENGINE CONTROL): ECM: REMOVAL

Loud rattle from hybrid vehicle transaxle

Check idle learning

2019 MY Camry HV [09/2018 - 09/2019]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Transmission input damper assembly

2018 - 2020 MY Camry HV [07/2017 - 10/2020]; A25A-FXS (ENGINE MECHANICAL): REAR CRANKSHAFT OIL SEAL: REMOVAL

Hybrid vehicle transaxle assembly

2018 - 2020 MY Camry HV [07/2017 - 10/2020]; P710 (HYBRID TRANSMISSION / TRANSAXLE): HYBRID VEHICLE TRANSAXLE: REMOVAL

Engine misfire

-

*1: If any of the following Diagnosis Related Information items are output, perform troubleshooting for the corresponding DTCs.

Result

Result

Link

Hybrid control system

P312387

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): P312387; Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message

Motor generator control system

P31241F

2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): P31241F,P312487; Lost Communication between Drive Motor "A" and HV ECU Circuit Intermittent

P312487