1. Disconnect the connector and rubber cover from the crankshaft speed sensor and connect a tachometer.
A - tachometer,
B - connector,
C - cover.
2. Check the RPM on a cold engine (coolant temperature approx. 20°C) 10 seconds after launch.
- Speed of rotation on a cold engine (selector in position "R" or "N") — 1500±200 rpm
When using a Honda scanner or other:
1. Connect the scanner to a diagnostic socket.
A - diagnostic connector,
B is a scanner.
2. Check the RPM on a cold engine (coolant temperature approx. 20°C) later, 10 seconds after launch.
- Speed of rotation on a cold engine (selector in position "R" or "N"): — 1500±200 rpm
If speed is not as specified, replace idle speed control valve and recheck.