PGM-FI Control System — Troubleshooting Flow Chart — IMA Sensor [Without CATA]
6-50flowchartApplies to engines without catalytic converter (Without CATA).
Troubleshooting Flow Chart — IMA Sensor [Without CATA]
Self-diagnosis LED indicator blinks eleven times: Most likely a problem in the IMA Sensor circuit.
1
Check Engine warning light is on.
- LED indicates CODE 11.
2
Turn the ignition switch OFF.
3
Remove HAZARD fuse in the main fuse box for 10 seconds to reset ECU.
4
Turn the ignition switch ON.
5
Is Check Engine warning light on? Does LED indicate CODE 11?
NO
Intermittent failure (test drive may be necessary).
YES
6
Turn the ignition switch OFF.
7
Disconnect the 3P connector from the IMA sensor.
8
Measure resistance between YEL/WHT terminal and GRN/WHT terminal on IMA sensor harness.
9
Is there 4-6 kΩ?
NO
Replace IMA sensor.
YES
10
Measure resistance between YEL/WHT and BRN terminals and between GRN/WHT and BRN terminals.
11
Does the sum of the two resistance checks equal 4-6 kΩ?
NO
same as step 9
YES
(To page 6-51)