Test W: The Reversing Lamps Are On Continuously
PINPOINT TEST W: THE REVERSING LAMPS ARE ON CONTINUOUSLYNormal Operation
Voltage is supplied from the battery junction box (BJB) fuse 35 (20A) to the coil side of the reversing lamps relay through circuit CBB35 (YE/GY). The reversing lamps relay switch side is supplied voltage by the BJB fuse 7 (10A) through circuit SBB07 (WH/RD). The reversing lamps relay coil ground is controlled by the digital transmission (TR) sensor (non-hybrid with automatic transaxle), the reversing lamp switch (manual transaxle), or the powertrain control module (PCM) (Hybrid) through circuit CLS28 (BU/WH). When the transaxle is in REVERSE (R), the digital TR sensor completes the ground path through circuit GD120 (BK/GN) to energize the reversing lamps relay. When the reversing lamps relay is energized, voltage is routed to the reversing lamps through circuit CBB07 (GN/BU). The reversing lamps share a common ground through circuit GD182 (BK/GY).
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Reversing lamps relay
- Reversing lamp switch (manual transaxle)
- Digital TR sensor (automatic transaxle - except Hybrid)
- Rear view mirror
- Parking aid module
- PCM (Hybrid only)