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COMBINATION METER ASSEMBLY CHASSIS ELECTRICAL 54A-106 SYMPTOM PROCEDURES INSPECTION PROCEDURE 1: Range to empty always displays flashing "- - -" km (even when fuel tank . CIRCUIT OPERATION • The ignition switch (IG1) circuit is the power sup- ply for the fuel gauge. • When the float in the fuel level sensor moves, the circuit resistance will change. • The fuel gauge needle is moved by a change in the circuit current. . TECHNICAL DESCRIPTION (COMMENT) If only the fuel gauge does not operate, the fuel . TROUBLESHOOTING HINTS • Refer to circuit diagrams GROUP- • Refer to configuration diagrams GROUP- • Malfunction of the fuel pump module or fuel level sensor (sub) • Malfunction of the trip computer/ combination meter • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- DIAGNOSIS Required Special Tool: • MB991223: Harness Set STEP 1. Check the fuel pump module. . Q: Is the fuel pump module normal? YES : Go to Step 2. 13B, Fuel Tank ). The fuel gauge should now operate normally. 54DB029A C-28 C-101 CONNECTORS: C-28, C-101 AC305268 AR CONNECTORS: D-17, D-18 D-17 D-18 (GR) |