Torque 1558 -
: Disconnect the wiring harness from the throttle body. Use a digital multimeter to check for ground consistency and reference voltage (typically 5V or 12V depending on the make) coming from the ECU when the ignition is switched on.
: Disconnect the wiring harness from the throttle body. Use a digital multimeter to check for ground consistency and reference voltage (typically 5V or 12V depending on the make) coming from the ECU when the ignition is switched on.
