PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IO-G-M-33-009e A
April 2013
CHECKING THE IGNITION TIMING
1/3
1. DESCRIPTION
This document describes how to check the engine ignition timing.
The timing gun can be connected with the engine running or stopped.
2. CHECKING THE IGNITION TIMING
The cylinders of Line engines and those from 1 to 8 for 16V (or 1 to 6 for 12V) are on the opposite side of the
engine to the timing measurement port. In such cases, the strobe timing gun cables are laid over the engine. In
order to avoid any risk due to moving parts, the strobe gun cables should not be passed from one side to the
other with the engine running.
The following explains how to connect the strobe gun with the engine stopped or running.
2.1. Engine stopped
For Line and V-Engines
1. Connect the gun earth to the ignition rail, engine block or coil earth.
2. Connect the clamp to the secondary of the cylinder where the timing is to be measured. The clamp must
be connected in the right way (See photo)
Image 1 – Strobe gun earth and measurement clamps.
5.2.37
O&M_2.002211.810_A_10_2016
