Toyota Yaris: Smart Key System (for Entry Function) / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Entry and Start System (for Entry Function)

DTC No.	Detection Item	Link
B27A113	Driver Side Electrical Antenna Circuit Open
B27A213	Front Passenger Side Electrical Antenna Circuit Open
B27A813	Outside Luggage Compartment (Back Door) Electrical key Antenna Circuit Open

Dtc Check / Clear

DTC CHECK / CLEAR CHECK FOR DTC NOTICE: When DTC is output, Be sure to confirm and record. When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1...

Driver Side Electrical Antenna Circuit Open (B27A113)

DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly LH (electrical key antenna) at intervals of 0...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Inspection

INSPECTION PROCEDURE 1. INSPECT STEERING WHEEL SWITCH HOUSING (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. *a Component without harness connected (Steering Wheel Switch Housing) - - Standard Resistance: Light Switch Circuit Tester Connection Condition Specified Condition z6-3 (T) - z4-3 (T) Always Below 1 Ω z6-12 (H) - z4-4 (H) Always Below 1 Ω z6-7 (A) - z4-5 (A) Always Below 1 Ω z6-16 (HU) - z4-6 (HU) Always Below 1 Ω z6-11 (HF) - z4-7 (HF) Always Below 1 Ω z6-8 (TR) - z4-8 (TR) Always Below 1 Ω z6-14 (TL) - z4-9 (TL) Always Below 1 Ω z6-6 (CR) - z4-10 (CR) Always Below 1 Ω z6-13 (BFG) - z4-11 (BFG) Always Below 1 Ω z6-4 (B) - z4-12 (B) Always Below 1 Ω z6-5 (EL) - z4-13 (EL) Always Below 1 Ω Wiper Switch Circuit Tester Connection Condition Specified Condition z5-10 (W_OFF) - z4-24 (W_OFF) Always Below 1 Ω z5-13 (+S) - z4-25 (+S) Always Below 1 Ω z5-11 (+1) - z4-26 (+1) Always Below 1 Ω z5-12 (+2) - z4-27 (+2) Always Below 1 Ω z5-14 (MIST) - z4-28 (MIST) Always Below 1 Ω z5-15 (WF) - z4-31 (WF) Always Below 1 Ω z5-5 (E) - z4-33 (E) Always Below 1 Ω z5-4 (VR) - z4-34 (VR) Always Below 1 Ω If the result is not as specified, replace the steering wheel switch housing...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Ambient Light

ComponentsCOMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT ARMREST BASE UPPER PANEL *2 POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH FRONT ARMREST BASE UPPER PANEL *3 NO...