| Test | TECH 1 | Notes | Nominal Values | Possible |
|---|---|---|---|---|
| Step | Display | Trouble | ||
| No. | Codes | |||
| 14 | ENGINE LOAD SIG. | Engine idling, * | 44, 45 | |
| operating temperature | ||||
| Model Year 88 | 1.7 to 2.8 ms | |||
| Model Year 89 | 1.6 to 2.8 ms |
The engine load signal is composed of the following parts which have an influence on the value of the load signal.
If the measurement value deviates from the nominal values, the following trouble-shooting is to be carried out:
Test Step Checking of
No.
03 AIR FLOW SENSOR
05 IDLE CO POT.
10 ENGINE SPEED
If values are lower than the nominal values a check should be made for an air leak in area of intake manifold especially on the vacuum connections.
* All consumers switched off (AC, lighting, AT vehicles in P or N position).