Test SS - System Check
- ISC Check. Attempt to start engine at part throttle. If engine runs only at part throttle, go to TEST Z - IDLE SPEED CONTROL (BY-PASS AIR)
, step 3). On 1.9L EFI and 2.3L EFI/Turbo, if engine does not run, go to step 3). On all others, if engine does not run, go to step 2).
- MAP Check. Turn key off and disconnect MAP sensor. Connect MAP tester between harness and MAP sensor. Connect banana plugs of tester into DVOM and set DVOM on 20-volt scale. Turn key on and measure sensor output voltage while cranking engine. If DVOM reading does not decrease from specified range, go to TEST H - MAP SENSOR
, step 13). If DVOM reading decreases from specified range, go to next step.
MAP VOLTAGE OUTPUT
| Elevation (Ft.) |
Voltage Output (Volts) |
| 0 |
1.55-1.63 |
| 1000 |
1.52-1.60 |
| 2000 |
1.49-1.57 |
| 3000 |
1.46-1.54 |
| 4000 |
1.43-1.51 |
| 5000 |
1.40-1.48 |
| 6000 |
1.37-1.45 |
| 7000 |
1.35-1.43 |
- EGR Check. Disconnect and plug vacuum hose at EGR valve. Ensure that EGR valve is closed. Attempt to start vehicle. If vehicle runs, go to: