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Check Engine Control Module
CHECK ENGINE CONTROL MODULE CHART
| Step |
Check |
Yes |
No |
1 CHECK ENGINE CONTROL MODULE SIGNAL.
- Start the engine.
- Measure voltage between engine control module connector and engine ground.
Connector & terminal
TURBO model:
(B134) No. 23 (+) - Engine ground (-):
NON-TURBO model:
(B134) No. 10 (+) - Engine ground (-):
|
Is the measured value within 0 V to 14 V? |
Go to step 2. |
Check engine control module. < Ref. to
BASIC DIAGNOSTIC PROCEDURES
(H4SO) or < Ref. to
BASIC DIAGNOSTIC PROCEDURE
(H4DOTC). > |
2 CHECK HARNESS BETWEEN COMBINATION METER AND ENGINE CONTROL MODULE.
- Turn ignition switch to OFF.
- Disconnect connector from engine control module and combination meter.
- Measure resistance between engine control module harness connector and combination meter harness connector.
Connector & terminal
TURBO model:
(B134) No. 23 - (I11) No. 7:
NON-TURBO model:
(B134)No. 10 - (ill)No. 7:
|
Is the measured value less than 10 Q? |
Check tachometer. < Ref. to
REMOVAL , TACHOMETER. > |
Repair wiring harness. |