Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Manifold Pressure/Vacuum Sensor: Locations



Engine Controls Component Views

Left Side of Engine (L66)




1 - Manifold Absolute Pressure (MAP) Sensor
2 - Fuse Block-Underhood C2
3 - Starter Relay
4 - G107
5 - Torque Converter Clutch (TCC) Pressure Control Solenoid Valve
6 - 4th Clutch Pressure Switch
7 - Clutch Pressure Control Solenoid Valve 1
8 - Clutch Pressure Control Solenoid Valve 2
9 - Transmission Fluid Temperature (TFT) Sensor
10 - 3rd Clutch Pressure Switch
11 - Transmission Output Shaft Speed Sensor
12 - Transmission Input Shaft Speed Sensor
13 - Park / Neutral Position (PNP) Switch
14 - C100 Engine Harness to Transmission Harness
15 - Engine Coolant Temperature (ECT) Sensor
16 - Exhaust Gas Recirculation (EGR) Valve
17 - Intake Air Temperature (IAT) Sensor 2