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Keyless Access Control Unit - Diagnostics
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Keyless Access Control Unit - Diagnostics
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How to Information
How to Troubleshoot the Body Electrical (2019 2020 2021)
Before Troubleshooting
Loss of Communication DTC Cross-Reference Chart
DTC Troubleshooting
DTC B1601
Notes
Overview
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
DTC B1602
Notes
Overview
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
DTC B1627
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Power Supply (RF_VCC1), Communication (RF_DATA1), GND (RF_GND) Circuit Inspection
2-Way Transceiver Inspection
Roof Antenna Inspection
DTC B1632
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Electric Steering Lock Inspection
Signal (MTR_CONT) Shorted Wire Inspection
Body Control Module Inspection
DTC B1640
Notes
Overview
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
DTC B1645
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_FR_DR+), Signal (EXT_FR_DR-) Shorted Wire Inspection
Left-Front LF Antenna/Initiator Inspection
DTC B1646
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_FR_DR+), Signal (EXT_FR_DR-) Open Wire Inspection
Left-Front LF Antenna/Initiator Inspection
DTC B1647
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_FR_AS+), Signal (EXT_FR_AS-) Shorted Wire Inspection
Right-Front LF Antenna/Initiator Inspection
DTC B1648
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_FR_AS+), Signal (EXT_FR_AS-) Open Wire Inspection
Right-Front LF Antenna/Initiator Inspection
DTC B1649
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_RR_L+), Signal (EXT_RR_L-) Shorted Wire Inspection
Left-Rear LF Antenna/Initiator Inspection
DTC B1650
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_RR_L+), Signal (EXT_RR_L-) Open Wire Inspection
Left-Rear LF Antenna/Initiator Inspection
DTC B1651
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_RR_R+), Signal (EXT_RR_R-) Shorted Wire Inspection
Right-Rear LF Antenna/Initiator Inspection
DTC B1652
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_RR_R+), Signal (EXT_RR_R-) Open Wire Inspection
Right-Rear LF Antenna/Initiator Inspection
DTC B1657
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_TG+), Signal (EXT_TG-) Shorted Wire Inspection
Rear Bumper LF Antenna Inspection
DTC B1658
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_TG+), Signal (EXT_TG-) Open Wire Inspection
Rear Bumper LF Antenna Inspection
DTC B1659
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_F+), Signal (EXT_F-) Shorted Wire Inspection
Front Interior LF Antenna Inspection
DTC B1660
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_F+), Signal (EXT_F-) Open Wire Inspection
Front Interior LF Antenna Inspection
DTC B1667
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_M+), Signal (EXT_M-) Shorted Wire Inspection
Rear Interior LF Antenna Inspection
DTC B1668
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Body Control Module Inspection
Signal (EXT_M+), Signal (EXT_M-) Open Wire Inspection
Rear Interior LF Antenna Inspection
DTC U1280 (Keyless Access Control Unit)
Notes
Overview
DTC U1281 (Keyless Access Control Unit)
Notes
Overview
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
DTC U128D (Keyless Access Control Unit)
Notes
Overview
Inspection Area
Inspection Outline
Confirmation Procedure
Related Information
HDS Function
Inspection
Communication (B-CAN_H), Communication (B-CAN_L) Open Wire Inspection