
TROUBLESHOOTING
Trouble
• Hard steering at idle or low-speed driving.
• Steering too sensitive during high-speed driving.
Preliminary Check
• Check tire pressure.
• Check lubrication of suspension and steering linkage.
• Check front wheel alignment.
• Check steering system joint and suspension arm ball joint.
• Check for bent steering column.
• Check that all connectors are secure.
• Check PS pump fluid pressure. (See page SR-43)
Turn ignition switch on.
Is ECU1G fuse normal?
Yes
No
Replace fuse.
Is operation normal?
Yes
Fuse faulty.
No
Short circuit in wire harness between fuse and ECU terminal +B.
Disconnect the ECU connector.
Check 1.
Check that there is the battery voltage between the ECU terminal +B and body ground.
Yes
No
Open circuit in wire harness between the fuse and ECU terminal +B.
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