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)

Or, hide this message: temporarily or permanently

Location of Components




Location of components, only B52X4 T




1 Engine coolant temperature (ECT) sensor
2 Ignition coil
3 Engine coolant level switch
4 Camshaft reset valve
5 A/C pressure sensor
6 Canister purge (CP) valve
7 Engine speed (RPM) sensor
8 Camshaft position (CMP) sensor
9 Brake pedal sensor
10 Fusebox
11 Relay box
12 Mass air flow (MAF) sensor
14 Intake air temperature (IAT) sensor
15 Boost pressure sensor
16 Turbocharger (TC) control valve
17 Injector
18 Throttle unit
19 Engine cooling fan (FC) relay
21 Outside temperature sensor
22 Knock sensor (KS)
23 Engine control module (ECM)
Power supply terminal
Ground terminal