DIAGNOSIS SYSTEM DESCRIPTION (a) The DCM (Telematics Transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the safety connect system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery. CHECK INDICATOR (a) When a malfunction is detected in the safety connect system, the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to inform the driver of the malfunction. Click here
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Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Open in Master Reservoir Level Switch Circuit (C120F)
DESCRIPTION DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note C120F Open in Master Reservoir Level Switch Circuit 371 The brake fluid level warning switch (brake booster with master cylinder assembly) circuit is open for 2 seconds or more. Open in brake fluid level warnin ...
