Section 3 (Engine Controls - Tests W/Codes - Pcm/BCM)
WARNING: This page is about a different car, the 1992 Oldsmobile Toronado. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Data Display Codes
- Input Display Codes
- Output Display Codes
- Override Display Codes
- Display Head Diagnostic Flow Charts
- Chart A-1, No Service Engine Soon Light
- Chart A-2, Service Engine Soon Light Will Not Go Out Or Flash
- Self-Diagnostic System Check (Non-CRT Equipped)
- Chart A, Loss Of IPC Display (Non-CRT Equipped)
- Chart B, Loss Of Serial Data (Non-CRT Equipped)
- Chart C, Loss Of ECCP Communications (Non-CRT Equipped)
- Chart D, Loss Of Communications (Non-CRT Equipped)
- Chart D-1, Grounded Serial Data Circuit (Non-CRT Equipped)
- Chart D-2, Serial Data Circuit Shorted To VLTGE (Non-CRT EQUIPD)
- Self-Diagnostic System Check (CRT Equipped)
- Chart A, Loss Of IPC Display (CRT Equipped)
- Chart B, Color CRT Blank W/Ignition On (CRT Equipped)
- Chart C, Color CRT Unable To Control ECCP (CRT Equipped)
- Chart D, Serial Data Circuit Open (CRT Equipped)
- Chart D-1, Grounded Serial Data Circuit (CRT Equipped)
- Chart D-2, Serial Data Circuit Shorted To Voltage (CRT Equipped)
- Chart E, Color CRT Abnormalities (CRT Equipped)
- BCM Trouble Code Charts
- Code B110, Outside Temp Sens Circuit
- Code B111, A/C High Side Temp Sens Circuit
- Code B112, A/C Low Side Temp Sens Circuit
- Code B113, In-Car Temp Sens Circuit
- Code B115, SUNLOAD Sens Circuit
- Code B119, Twilight Photocell Circuit
- Code B120, Twilight Delay Potentiometer Circuit
- Codes B120, TWILIGHTE Delay & B122, Panel Dim Simultaneously
- Code B121, Twilight Enable Switch Circuit
- Code B122, Panel Dimming Potentiometer Circuit
- Code B123, Panel Lamp Switch Circuit
- Code B127, Gear Selector Switch Circuit
- Code B132, Engine Oil Pressure Sens Circuit Faulty
- Code B332, Loss Of Compass Data
- Serial Data Circuit Multiple Intermittent Codes Non-CRT/Did
- Serial Data Circuit Multiple Intermittent Codes CRT/Did
- Code B333, Loss Of Sir Data
- Code B334, Loss Of ECM Data
- Code B335, Loss Of ECCP Or CRT Serial Data
- Code B336, Loss Of IPC Serial Data
- Code B337, Loss Of HVAC Programmer Data
- Code B410, Charging System Circuit Fault
- Code B411 Or B412, Battery Voltage Too Low Or Too High
- Code B440, Air Mix Valve (Door) Circuit Problem
- Codes B446, B447 & B448, Refrigerant System Problem
- Codes B449 & 450
- Code B552, BCM Keep Alive Memory Error
- Code B556, Odometer (Ee) Prom Error
- Code C710, CRTC Switching Circuit Problem
- Summary