Toyota Camry owners & service manuals

Toyota Camry (XV70): Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly), refer to Registration.*

Click here

  • *: w/ Smart Key System

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Map Light

Symptom

Suspected Area

Link

Map light LH or map light RH does not illuminate (Other interior lights are normal)

Map light (Roof console box sub-assembly)

Map light LH and map light RH do not illuminate (Other interior lights are normal)

Map light (Roof console box sub-assembly)

Harness or connector

-

Switch illumination or shift lever illumination does not illuminate (Other interior lights are normal)*

Map light (Roof console box sub-assembly)

Switch illumination and shift lever illumination do not illuminate (Other interior lights are normal)*

Map light (Roof console box sub-assembly)

Harness or connector

-

  • *: w/ Shift Lever Illumination
Room Light

Symptom

Suspected Area

Link

Room light does not illuminate (Other interior lights are normal)*1

Bulb

Harness or connector (Including bulb holder of the room light assembly which is part of the wire harness)

-

Spot light LH or spot light RH does not illuminate (Other interior lights are normal)*2

Spot light assembly

Spot light LH and spot light RH do not illuminate (Other interior lights are normal)*2

Spot light assembly

Harness or connector

-

  • *1: w/ Room Light (for Bulb Type)
  • *2: w/ Room Light (for LED Type)
Vanity Light (w/ Vanity Light)

Symptom

Suspected Area

Link

Vanity light LH does not illuminate

Vanity light assembly LH

Visor assembly LH

Harness or connector (Including bulb holder of the vanity light assembly that are part of the wire harness)

-

Vanity light RH does not illuminate

Vanity light assembly RH

Visor assembly RH

Harness or connector (Including bulb holder of the vanity light assembly that are part of the wire harness)

-

Courtesy Light*

Symptom

Suspected Area

Link

Courtesy light LH does not illuminate

Bulb

Courtesy light assembly LH

Front door courtesy switch circuit

Harness or connector

-

Main body ECU (Multiplex network body ECU)

Courtesy light RH does not illuminate

Bulb

Courtesy light assembly RH

Front door courtesy switch circuit

Harness or connector

-

Main body ECU (Multiplex network body ECU)

  • *: w/ Courtesy Light
Glove Box Light

Symptom

Suspected Area

Link

Glove box light does not illuminate

Glove box light assembly

Harness or connector

-

Front Console Light (w/ Front Console Light)

Symptom

Suspected Area

Link

Front console light does not illuminate

Front console light (No. 2 interior illumination light sub-assembly)

Harness or connector

-

Footwell Light (w/ Footwell Light)

Symptom

Suspected Area

Link

Footwell light LH does not illuminate

Footwell light circuit

Instrument panel junction block assembly

Footwell light RH does not illuminate

Footwell light circuit

Instrument panel junction block assembly

Footwell light LH and RH do not illuminate

Footwell light circuit

Instrument panel junction block assembly

Main body ECU (Multiplex network body ECU)

Instrument Panel Ambient Illumination Light (w/ Instrument Panel Ambient Illumination Light)

Symptom

Suspected Area

Link

Instrument panel ambient illumination light does not illuminate

Ambient illumination light circuit

Harness or connector

-

Main body ECU (Multiplex network body ECU)

Inside Handle Illumination Light (w/ Inside Handle Illumination Light)

Symptom

Suspected Area

Link

Inside handle illumination light LH does not illuminate

Inside handle illumination light circuit

Inside handle illumination light RH does not illuminate

Inside handle illumination light circuit

Inside handle illumination light LH and RH do not illuminate

Inside handle illumination light circuit

Main body ECU (Multiplex network body ECU)

Luggage Compartment Light

Symptom

Suspected Area

Link

Luggage compartment light does not illuminate (Other interior lights are normal)

Bulb

No. 1 luggage compartment light assembly

Luggage compartment door courtesy switch circuit

Harness or connector

-

Main body ECU (Multiplex network body ECU)

Interior Light Power Source Control

Symptom

Suspected Area

Link

All the interior lights that receive power via the DOME CUT relay do not illuminate

Interior light auto cut circuit

Main body ECU (Multiplex network body ECU)

Illuminated Entry System

Symptom

Suspected Area

Link

All illuminated entry system control functions do not operate under any condition

Interior light auto cut circuit

Interior light circuit

Main body ECU (Multiplex network body ECU)

Actuation area-linked control function does not operate when registered key is brought into any exterior detection area*1

CAN communication system

Smart key system (for Entry Function)

Main body ECU (Multiplex network body ECU)

Door lock/unlock-linked control function does not operate when doors are locked/unlocked

Door unlock detection switch circuit

Main body ECU (Multiplex network body ECU)

Door open/close-linked control function does not operate when doors are opened/closed

Front door courtesy switch circuit

Rear door courtesy switch circuit

Main body ECU (Multiplex network body ECU)

Engine switch-linked control function does not operate when engine switch is operated*1

IG signal circuit

ACC signal circuit

Main body ECU (Multiplex network body ECU)

Engine switch illumination does not illuminate*1

CAN communication system

Engine switch illumination circuit

Certification ECU (Smart key ECU assembly)

Ignition switch-linked control function does not operate when ignition switch is operated*2

IG signal circuit

ACC signal circuit

Main body ECU (Multiplex network body ECU)

Ignition key cylinder light does not illuminate*2

Interior light circuit

Main body ECU (Multiplex network body ECU)

  • *1: w/ Smart Key System
  • *2: w/o Smart Key System
Battery Saving Control System

Symptom

Suspected Area

Link

Battery saving function does not operate

IG signal circuit

ACC signal circuit

Front door courtesy switch circuit

Rear door courtesy switch circuit

Luggage compartment door courtesy switch circuit

Door unlock detection switch circuit

Interior light auto cut circuit

Main body ECU (Multiplex network body ECU)

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