2020 le abs
#2
#3
Last edited by LaloHawaii; 11-01-2023 at 02:43 AM.
#4
Does the car have collision alert radar?
C1331 is sensor, sensor rotor, wiring, ECU.
C1A4B
Brake booster with master cylinder (skid control ECU) detects a malfunction in the stop light control relay circuit for 1 second while the dynamic cruise control is
operating.
Stop light control relay
Stop light control relay circuit
Brake booster with master cylinder (Skid control ECU)
C1A50 When signal malfunction from brake booster with master cylinder (skid control ECU) continues for 1 second while dynamic radar cruise control is operating.
Electronically controlled brake system
Driving support ECU
Suspect C1A4B is causing C1A50.
C1331 is sensor, sensor rotor, wiring, ECU.
C1A4B
Brake booster with master cylinder (skid control ECU) detects a malfunction in the stop light control relay circuit for 1 second while the dynamic cruise control is
operating.
Stop light control relay
Stop light control relay circuit
Brake booster with master cylinder (Skid control ECU)
C1A50 When signal malfunction from brake booster with master cylinder (skid control ECU) continues for 1 second while dynamic radar cruise control is operating.
Electronically controlled brake system
Driving support ECU
Suspect C1A4B is causing C1A50.
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