DTC B118D:11 [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 10-PIN TYPE]

id0902q3354700

Description | BSM indicator light (RH) circuit malfunction
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Detection condition | • BSM control module (RH) performs measurement at 0.01 s intervals and a short to ground in the BSM indicator light (RH) circuit is detected 48 times continuously.
Fail-safe function | • Blind spot monitoring (BSM) system is stopped.
Possible cause | • Power outer mirror (RH) connector or terminal malfunction • BSM control module (RH) connector or terminal malfunction • Short to ground in wiring harness between BSM control module (RH) terminal G and power outer mirror (RH) terminal D • Power outer mirror (RH) malfunction • BSM indicator light (RH) malfunction • BSM control module (RH) malfunction

Diagnostic Procedure

Step | Inspection | Action
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1 | INSPECT POWER OUTER MIRROR (RH) CONNECTOR CONDITION • Switch the ignition off. • Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].) • Disconnect the power outer mirror (RH) connector. • Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection. • Is the connector normal? | Yes | Go to the next step.
No | Repair or replace the connector, then go to Step 6.
2 | INSPECT BSM CONTROL MODULE (RH) CONNECTOR CONDITION • Disconnect the BSM control module (RH) connector. • Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection. • Is the connector normal? | Yes | Go to the next step.
No | Repair or replace the connector, then go to Step 6.
3 | INSPECT FOR SHORT TO GROUND IN BSM INDICATOR LIGHT (RH) CIRCUIT • Verify that the BSM control module (RH) and power outer mirror (RH) connectors are disconnected. • Inspect for continuity between power outer mirror (RH) terminal D (wiring harness-side) and body ground. • Is there continuity? | Yes | Refer to the wiring diagram and verify whether or not there is a common connector between BSM control module (RH) terminal G and power outer mirror (RH) terminal D. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to ground. Go to Step 6.
No | Go to the next step.
4 | INSPECT POWER OUTER MIRROR (RH) • Inspect the power outer mirror (RH). (See POWER OUTER MIRROR INSPECTION.) • Is the power outer mirror (RH) normal? | Yes | Go to the next step.
No | Replace the power outer mirror (RH), then go to Step 6. (See POWER OUTER MIRROR REMOVAL/INSTALLATION.)
5 | INSPECT BSM INDICATOR LIGHT (RH) • Inspect the BSM indicator light (RH). (See BLIND SPOT MONITORING (BSM) INDICATOR LIGHT INSPECTION.) • Is the BSM indicator light (RH) normal? | Yes | Go to the next step.
No | Replace the outer mirror glass (RH), then go to the next step. (See OUTER MIRROR GLASS REMOVAL.) (See OUTER MIRROR GLASS INSTALLATION.)
6 | VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Always reconnect all disconnected connectors. • Reconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].) • Clear the BSM control module (RH) DTCs using the M-MDS. (See CLEARING DTC [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 10-PIN TYPE].) • Retrieve the BSM control module (RH) DTCs using the M-MDS. (See DTC INSPECTION [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 10-PIN TYPE].) • Is the same DTC displayed? | Yes | Repeat the inspection from Step 1. • If the malfunction recurs, replace the BSM control module (RH). (See BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 10-PIN TYPE].) Go to the next step.
No | Go to the next step.
7 | VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed? | Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [BLIND SPOT MONITORING (BSM) CONTROL MODULE CONNECTOR 10-PIN TYPE].)
No | DTC troubleshooting completed.