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NO.2 IN NAVIGATION MODE, VEHICLE LOCATOR MARK SKIPS. (INSTRUMENT CLUSTER OPERATES NORMALLY.)

BME090366900203

2 | In navigation mode, vehicle locator mark skips. (Instrument cluster operates normally.)
TROUBLESHOOTING HINTS • Malfunction in vehicle speed signal line of car-navigation unit.

  - Car-navigation unit malfunction
  - Instrument cluster malfunction
  - Malfunction in wiring harness between car-navigation unit and instrument cluster

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | • Disconnect car-navigation unit conductor (24-pin). • Jack up vehicle and run engine at low speed. • Measure voltage at the following terminal of car-navigation unit connector (24-pin):

  - Terminal 1I (Vehicle speed signal)

• Is voltage approx. 2.5 V (reference)?

  Note

  • Vehicle speed signal is in electrical pulses of approx. 0 V to 5 V.

Yes
Replace car-navigation unit (available at Clarion service center) or get it repaired at Clarion service center, then go to Step 4.
No | Go to next step.
2* | • Disconnect instrument cluster connector (20-pin). • Is there continuity between car-navigation unit connector (24-pin) terminal 1I and instrument cluster connector (20-pin) terminal 2O? | Yes | Go to next step.
No | Repair wiring harness between car-navigation unit and instrument cluster, then go to Step 4.
3 | • Inspect wiring harness between car-navigation unit connector (24-pin) terminal 1I and instrument cluster connector (20-pin) terminal 2O for short to ground. • Is there short to ground? | Yes | Repair wiring harness between car-navigation unit and instrument cluster, then go to next step.
No | Replace instrument cluster, then go to next step.
4 | • Does vehicle locator mark operate normally? | Yes | Complete troubleshooting, then explain repairs to customer.
No | Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.