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8D–220 WIRING SYSTEM Speedometer Pointer Fluctuates (May be Wide Fluctuation) Step Action Value(s) Yes No 1 NOTE: Refer to the step 8 of diagnosis procedure for Is the vehicle speed sensor signal normal? — Replace the meter assembly Go to step 2 2 Repair a poor connections of the connectors or a failure Is the action complete? — Verify repair — Speedometer Pointer Jumps Erratically Step Action Value(s) Yes No 1 NOTE: Refer to the step 8 of diagnosis procedure for Is the vehicle speed sensor signal normal? — Replace the meter assembly Go to step 2 2 Repair a poor connections of the connectors or a failure Is the action complete? — Verify repair — Tachometer Does Not Function Step Action Value(s) Yes No 1 1. Disconnect the meter connector I–2. revolution is 3000 rpm with a oscilloscope. NOTE: Normal waveform shows between 4.3V and Is the waveform normal? — Replace the meter assembly Go to step 2 2 Is the circuit between connector I–2 terminal 6 and the — Replace the PCM Repair the circuit Tachometer Pointer Fluctuates (May Be Wide Fluctuation) Step Action Value(s) Yes No 1 NOTE: Refer to the step 1 of diagnosis procedure for Is the waveform normal? — Replace the meter assembly Go to step 2 2 Is the circuit between connector I–2 terminal 6 and the — Replace the PCM Repair the circuit |