LEMON Manuals: Even more car manuals for everyone
Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Lighting Systems) >> Diagnostic Information and Procedures >> Courtesy Lamps Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy Lamps Malfunction

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+, BCM C4 Terminal 2 B2615 00, 4, 5, 7, 8, 11 B2615 00, 4, 5, 7, 8, 11 -- --
B+, BCM C3 Terminal 2 6, 9 6, 9 -- --
Courtesy Lamp Supply Voltage B2615 00, 4, 5, 7, 8, 11 4, 5, 8 -- --
Courtesy Lamp Supply Voltage - Left Front Door 10 10 10 --
Courtesy Lamp Supply Voltage - Right Front Door 10 10 10 --
Inadvertent Power Courtesy Lamp B1480 00, 6 6 -- --
Courtesy Lamp Switch ON Signal 1 1 1* --
Left Front Door Open Switch Signal 2 2 -- --
Rear Door Open Switch Signal 3 3 -- --
Right Front Door Open Switch Signal 2 2 -- --
Door lock Low Reference - Left Front -- 2 -- --
Door lock Low Reference - Right Front -- 2 -- --
Courtesy Lamp Ground - Left Front Door -- 10 -- --
Courtesy Lamp Ground - Right Front Door -- 10 -- --
Courtesy Lamp Ground - Left Middle Door -- 5 -- --
Courtesy Lamp Ground - Right Middle Door -- 5 -- --
Courtesy Lamp Ground - Left Rear Door -- 5 -- --
Courtesy Lamp Ground - Right Rear Door -- 5 -- --
Door lock Ground - Left Rear -- 3 -- --
Door lock Ground - Right Rear -- 3 -- --
Inadvertent Courtesy Lamps Ground -- 4, 5, 6 -- --
Overhead Console Lamp Ground -- 7 -- --
Roof Rail Courtesy/Reading Lamp Ground - Left -- 8 -- --
Roof Rail Courtesy/Reading Lamp Ground - Left -- 8 -- --
* Internal damage to the headlamp switch may occur if shorted to B+
1. Dome Lamp Switch Malfunction
2. Door Open Switch Malfunction - Front
3. Door Open Switch Malfunction - Rear or Middle
4. Courtesy/Reading Lamps Malfunction with Courtesy Lamp Module
5. Courtesy Lamps Malfunction without Courtesy Lamp Module
6. Inadvertent Power Courtesy Lamps Malfunction
7. Overhead Console Courtesy/Reading Lamp Malfunction - Limo/Hearse
8. Roof Rail Courtesy/Reading Lamp Malfunction - Limo/Hearse
9. Interior Back Lighting Malfunction
10. Front Door Courtesy Lamp Malfunction
11. Right Front Turn Signal Malfunction