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NO.1 WHILE VEHICLE IS IN REVERSE, VEHICLE LOCATOR MARK GOES FORWARD.

BME090366900W02
• When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and undamaged.

1 | While vehicle is in reverse, vehicle locator mark goes forward.
TROUBLESHOOTING HINTS • Malfunction in shift position (revese position) signal line of car-navigation unit.

  - Car-navigation unit malfunction
  - Malfunction in wiring harness between car-navigation unit and back-up switch
  - Back-up switch malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | • While the vehicle is in reverse, are back-up lights illuminated? | Yes | Go to next step.
No | Repair back-up light circuit, then go to next step.
2* | • Disconnect car-navigation unit connector (24-pin). • Turn ignition switch to ON position. • Shift selector lever to revese position. • Measure voltage at the following terminal of car-navigation unit connector (24-pin, harness side):

  - Terminal 1M (Shift position (revese position) signal)

• Is voltage 9 V or more?
Yes
Replace car-navigation unit (available at Clarion service center) or get it repaired at Clarion Service center, Then go to next step.
No | Inspect wiring harness between car-navigation unit (24-pin, terminal 1M) and back-up light switch, then go to next step.
3 | • Does vehicle locator mark indicate actual position of vehicle? | Yes | Complete troubleshooting, then explain repairs to customer.
No | Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.