1. Disconnect the connector and rubber cover from the crankshaft speed sensor and connect the tachometer.
A - tachometer,
B - connector,
C - cover.
2. Check the engine speed on a cold engine (coolant temperature about 20°C) 10 seconds after starting.
- Cold engine speed (selector in position "P" or "N") - 1500±200 rpm
When using a Honda or other scanner:
1. Connect the scanner to the diagnostic connector.
A - diagnostic connector,
B - scanner.
2. Check the rotation speed on a cold engine (coolant temperature about 20°C) 10 seconds after starting.
- Cold engine speed (selector in position "P" or "N"): — 1500±200 rpm
If the speed is not as specified, replace the idle speed control valve and recheck.
(The original can be found on the resource: hondabook.ru)
