For the circled numbers representing devices:
- Check Valve (intake air temp control)
- intake air control diaphragm
- cranking leak solenoid valve
- thermovalve C
- check valve E
- thermovalve B
- air jet controller
- air bleed valve A
- air bleed valve B
- thermovalve A
- feedback control solenoid valve
- oxygen sensor
- choke opener
- primary slow mixture cut-off solenoid valve
- air control valve B
- catalytic converter
- fast idle unloader
- throttle controller
- frequency solenoid valve B
- CV generator
- frequency solenoid valve A
- check valve A
- pulse rectifier
- frequency solenoid valve C
- air control valve A
- check valve B
- EGR valve
- EGR control valves A & B
- anti-afterburn valve
- anti-afterburn control solenoid valve
- check valve C
- air suction valve
- air suction control solenoid valve
- vacuum switch A
- air leak solenoid valve
- vacuum switch B
- vacuum switch C (49 State and HI ALT only)
- idle boost solenoid valve
- a/c idle boost solenoid valve