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COMBINATION METER TSB Revision CHASSIS ELECTRICAL 54A-69 STEP 4. Using scan tool MB991958, check data list. • Item 87: Tachometer • Should read engine speed. (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 5. ). Complete the engine troubleshooting, and then go to Step 6. STEP 5. Using scan tool MB991958, check actuator test. • Item 2: Tachometer • The tachometer operates up to the set position. (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 6. STEP 6. Retest the system YES : The procedure is complete. Inspection Procedure 4: Tone alarm does not sound normally. CAUTION Before replacing the combination meter, be sure . TECHNICAL DESCRIPTION (COMMENT) When the following signals are received via the CAN Seat belt reminder function • Ignition switch ON signal • Vehicle speed signal • Driver's seat belt switch signal • Front passenger's seat belt switch signal Keyless operation key reminder tone alarm func- tion (vehicles with KOS) • Ignition switch OFF signal • IG knob push switch ON signal • Driver's door switch ON signal Ignition key reminder tone alarm function (vehi- cles without KOS) • Ignition switch OFF signal • Key reminder switch OFF signal • Driver's door switch ON signal Light reminder tone alarm function • Ignition switch OFF signal • Lighting switch ON signal • Driver's door switch ON signal Door-ajar warning tone alarm function • Ignition switch ON signal • Any door switch or trunk lid latch ON signal • Vehicle speed signal Freeze warning tone alarm • Ignition switch ON signal • Ambient temperature signal |