Indicator light functions, overview

First switch the ignition on, and note whether the indicator lights in the instrument cluster lights up. The status of the ABS warning light -K47-, the red brake warning symbol, and the traction control indicator light -K86- provide an initial indication of the current condition.

The red symbol for "Brake system malfunction" appears in the display of the driver information system.

Fig 1: Locating Brake System Malfunction

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The ABS warning light -K47- and the traction control indicator light -K86- are located below the display.

Fig 2: Identifying ABS Warning Light -K47- And Traction Control Indicator Light -K86-

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Fig 3: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (1 Of 8)

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Fig 4: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (2 Of 8)

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Fig 5: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (3 Of 8)

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Fig 6: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (4 Of 8)

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Fig 7: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (5 Of 8)

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Fig 8: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (6 Of 8)

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Fig 9: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (7 Of 8)

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Fig 10: Brake/ABS/TCS Warning Light Diagnostic Chart - Bosch 5.3 (8 Of 8)

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For Electrical testing, see ELECTRICAL TESTING .
To check DTC memory, see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY (SCAN TOOL FUNCTION 02), CHECKING
For "read measuring value block", see MEASURING VALUE BLOCK (SCAN TOOL FUNCTION 08), READING .
To check basic setting, see BASIC SETTING (SCAN TOOL FUNCTION 04) .