4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS Step
Action
15
16
17
18
19
6E–355
Value(s)
Yes
No
Check any accessory parts which may cause electric interference. Was the problem found?
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Remove the accessory parts and verify repair
Go to Step 16
Is the ECM programmed with the latest software release? If not, download the latest software to the ECM using the “SPS (Service Programming System)”. Was the problem solved?
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Verify repair
Go to Step 17
Substitute a known good ECM and recheck. Was the problem solved? IMPORTANT: The replacement ECM must be programmed. Refer to section of the Service Programming System (SPS) in this manual. Following ECM programming, the immobilizer system (if equipped) must be linked to the ECM. Refer to section 11 “Immobilizer System-ECM replacement” for the ECM/Immobilizer linking procedure.
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Go to Step 18
Go to Step 19
Replace the ECM. Is the action complete? IMPORTANT: The replacement ECM must be programmed. Refer to section of the Service Programming System (SPS) in this manual. Following ECM programming, the immobilizer system (if equipped) must be linked to the ECM. Refer to section 11 “Immobilizer System-ECM replacement” for the ECM/Immobilizer linking procedure.
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Verify repair
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Replace the injection pump assembly. Is the action complete?
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Verify repair
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