740 L4-2320cc 2.3L DOHC B234F (Can) (1992)
![background image](/volvo/740/l4-2320cc_2.3l_dohc_b234f_(can)/Page-497003.png)
- The control module's own, internal functions
- KS signal
- Fuel system load signal
- RPM sensor signal
- ECT sensor signal
- Signal from the EGR controller
- Signal from the EGR temperature sensor
Checking For More Codes
A fault in any of these functions is presented as a DTC in DTM 1.
Entering Control Function #2
DTM 2 tests the signals from the following sensors:
^ RPM sensor signal OK
1-4-1
^ TP switch in idle position OK
3-3-4
Entering Control Function #3
DTM 3 tests signals to the EGR controller.