Toyota Yaris: Cxpi Communication System / Fail-safe Chart

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Power Source & Network / Networking / Cxpi Communication System / Fail-safe Chart

FAIL-SAFE CHART

CXPI COMMUNICATION FAIL-SAFE

(a) When there is a CXPI communication malfunction (communication stop), each load operates as follows.

Semiconductor power integration ECU

Load	Communication Stop with Ignition Switch ON	Communication Stop with Ignition Switch Off	Operation When Communication Returns to Normal
Operation During Communication Stop	Reset Timing	Operation During Communication Stop	Reset Timing
Fog light assembly RH Fog light assembly LH	Forced off	Ignition switch off or power source reset	Forced off	Simultaneously with operation during communication stop	According to communication signals

Load

Communication Stop with Ignition Switch ON

Communication Stop with Ignition Switch Off

Operation When Communication Returns to Normal

Operation During Communication Stop

Reset Timing

Operation During Communication Stop

Reset Timing

Fog light assembly RH

Fog light assembly LH

Forced off

Ignition switch off or power source reset

Forced off

Simultaneously with operation during communication stop

According to communication signals

Power distribution box assembly

Load	Communication Stop with Ignition Switch ON		Communication Stop with Ignition Switch Off		Operation When Communication Returns to Normal
Load	Operation During Communication Stop	Reset Timing	Operation During Communication Stop	Reset Timing	Operation When Communication Returns to Normal
Rear taillight	Interrupted while illuminated: Remains on Interrupted while not illuminated: Remains off	Ignition switch off or power source reset	Forced off	Simultaneously with operation during communication stop	According to communication signals
Panel light	Forced off	Ignition switch off or power source reset	Forced off	Simultaneously with operation during communication stop	According to communication signals
Rear fog light LED	Forced off	Ignition switch off or power source reset	Forced off	Simultaneously with operation during communication stop	According to communication signals
Rear window defogger	Forced off	Ignition switch off or power source reset	-	-	According to communication signals
Mirror heater	Forced off	Ignition switch off or power source reset	-	-	According to communication signals
Outer rear view mirror assembly RH (outer mirror retractor RH) Outer rear view mirror assembly LH (outer mirror retractor LH)	Forced off	Ignition switch off or power source reset	Forced off	Simultaneously with operation during communication stop	According to communication signals

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Enter the following menus: Body Electrical / Main Body / Trouble Codes. (b) Check for DTCs. Body Electrical > Main Body > Trouble Codes CLEAR DTC (a) Enter the following menus: Body Electrical / Main Body / Clear DTCs...

Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

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