Reverse Signal Circuit
Circuit diagnosis
DESCRIPTION
The navigation ECU receives a reverse signal from the BK/UP LP relay and information about the GPS antenna, and then adjusts vehicle position.WIRING DIAGRAM
INSPECTION PROCEDURE
| 1. INSPECT NAVIGATION ECU |
Disconnect the navigation ECU connector N4.
Measure the voltage according to the value(s) in the table below.
- Voltage:
Tester connection
Condition
Specified condition
REV - Body ground
Ignition switch is ON.
Shift lever is moved to R position
10 to 14 V
REV - Body ground
Ignition switch is ON.
Shift lever is moved to any position except R.
Below 1 V
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| NG | ||
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