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COMBINATION METERS ASSEMBLY AND VEHICLE SPEED SENSOR TSB Revision CHASSIS ELECTRICAL 54A-43 . 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) . TROUBLESHOOTING HINTS • Malfunction of the fuel pump module (fuel level sensor) • Malfunction of the combination meter (printed-cir- cuit board or fuel gauge assembly) DIAGNOSIS Required Special Tool: STEP 1. Check the fuel gauge by observing the other YES <other meters all operate> : Go to Step 2. INSPECTION PROCEDURE 5 . AC204170 CONNECTORS : D-03, D-29, D-32 DG D-03(GR) D-29 D-32(GR) AC204171 CONNECTOR : D-111 AG AC204178 CONNECTOR : F-07 AO F-07(B) AC204179 CONNECTOR : G-03 BB G-03(B) |