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.