Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2007 >> CX-7 L4-2.3L Turbo >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Electronic Throttle Actuator >> Testing and Inspection
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

Electronic Throttle Actuator: Testing and Inspection

THROTTLE ACTUATOR INSPECTION[L3 WITH TC]

NOTE: Perform the following inspection only when directed.

Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the throttle body connector.

Specification:




3. Measure the resistance between the throttle actuator terminals using a tester.
- If not as specified, replace the throttle body.
- If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection
1. Disconnect the PCM connector.







2. Inspect the following wiring harnesses for an open or short circuit (continuity check).

Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- Throttle actuator terminal F and PCM terminal 2A
- Throttle actuator terminal E and PCM terminal 2B

Short circuit
- If there is continuity, there is a short circuit. Repair or replace the wiring harness.
- Throttle actuator terminal F and power supply
- Throttle actuator terminal F and ground
- Throttle actuator terminal E and power supply
- Throttle actuator terminal E and ground
pro multis · About Operation CHARM