GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rendezvous - AWD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Schematics
Figure 1:

Power, Ground, Serial Data, MIL and Indicators
Object Number: 1397256 Size: FS
Figure 2:

Underhood Fuse Block Main Relay 1 of 2
Object Number: 1372959 Size: FS
Figure 3:

Underhood Fuse Block Main Relay 2 of 2
Object Number: 1372961 Size: FS
Figure 4:

Engine Data Sensors - 5-Volt Reference Bus
Object Number: 1372962 Size: FS
Figure 5:

Engine Data Sensors - Low Reference Bus
Object Number: 1372967 Size: FS
Figure 6:

Engine Data Sensors - BARO, ECT and MAF/IAT Sensors
Object Number: 1372971 Size: FS
Figure 7:

Engine Data Sensors - Heated Oxygen Sensors (HO2S)
Object Number: 1372973 Size: FS
Figure 8:

Engine Data Sensors - Throttle Actuator Control (TAC) System
Object Number: 1372996 Size: FS
Figure 9:

Ignition Controls - Bank 1 (Odd) Ignition Coils
Object Number: 1373023 Size: FS
Figure 10:

Ignition Controls - Bank 2 (Even) Ignition Coils
Object Number: 1373015 Size: FS
Figure 11:

Ignition Controls - Camshaft Position (CMP) Sensors and Actuator Solenoids
Object Number: 1372999 Size: FS
Figure 12:

Ignition Controls - Knock and Crankshaft Position (CKP) Sensors
Object Number: 1372997 Size: FS
Figure 13:

Fuel Controls - Fuel Pump and Injectors
Object Number: 1373001 Size: FS
Figure 14:

Fuel Controls - EVAP Controls
Object Number: 1373004 Size: FS
Figure 15:

Controlled/Monitored Subsystem References
Object Number: 1373007 Size: FS