Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2004 >> 6 L4-2.3L >> 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

NOTE: Perform the following inspection only when directed

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







3. Measure the resistance between the throttle actuator terminals using an ohmmeter
- If not as specified, replace the throttle body (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
- If as specified, carry out the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION.)




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

Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the harness.
- Throttle actuator terminal F (harness-side) and PCM terminal 4Y.
- Throttle actuator terminal E (harness-side) and PCM terminal 4AB.

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