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REPLACE ENGINE CONTROL UNIT
(ECU)
Model 921049
Remove ECU
IMPORTANT: Save all hardware for reinstallation.
1. Stop engine, remove key and wait for all moving parts
to stop and for hot parts to cool.
2. Disconnect spark plug wire from engine.
3. Disconnect wire harnesses from ECU.
4. Remove hardware retaining ECU and bracket and
remove bracket. See Figure 136.
5. Remove hardware retaining ECU to bracket and
remove ECU. See Figure 137.
Install ECU
1. Secure ECU to bracket with original hardware. See
Figure 137.
2. Secure ECU bracket to dash panel with original
hardware. See Figure 135.
3. Reconnect wire harnesses to ECU.
4. Reconnect spark plug wire.
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