Electronic control unit (ECU)

CAUTION: Ensure throttle potentiometer is correctly engaged with throttle cam and that wiring outlet faces downwards.

ELECTRONIC CONTROL UNIT (ECU)

Service Repair No. 18.30.01

Remove

1. Disconnect both battery leads.
2. Remove bolt and battery clamp; lift out battery.

3. Remove 3 nuts securing ECU.
4. Disconnect multiplug(s) from ECU.
5. Release clip, disconnect vacuum hose from ECU.
6. Remove ECU.

Refit

1. Connect vacuum hose to ECU secure clip.
2. Connect multiplug(s) to ECU.
3. Position ECU to mounting.
4. Fit nuts and tighten to 9 Nm.
5. Fit battery into tray, fit clamp and tighten bolt; connect both battery leads.

THROTTLE HOUSING – PLASTIC INLET MANIFOLD

Service Repair No. 19.22.45

Remove

1. Disconnect battery earth lead.

2. Release clips and disconnect air hose from throttle housing and air cleaner.
3. Release clip, disconnect stepper motor hose from throttle housing.
4. Disconnect multiplug from throttle potentiometer.
5. Release clip, disconnect breather hose from throttle housing.
6. Release throttle cable adjusting nut from abutment bracket.
7. Release throttle cable from cam.
8. Remove 4 bolts securing throttle housing to inlet manifold.
9. Remove throttle housing, remove and discard 'O' ring.

Refit

1. Clean mating surfaces of throttle housing and inlet manifold.
2. Lubricate a new 'O' ring with silicone grease and fit to throttle housing.
3. Position throttle housing to inlet manifold, fit bolts and tighten to 4 Nm.
4. Position throttle cable to cam.
5. Locate throttle cable adjusting nut in abutment bracket.
6. Connect breather hose to throttle housing, secure clip.
7. Connect multiplug to throttle potentiometer.
8. Connect stepper motor hose to throttle housing, secure clip.
9. Connect air hose to throttle housing and air cleaner, secure clips.
10. Connect battery earth lead.
11. Adjust throttle cable, see Adjustments.