GLOW PLUG RELAY CHECK



 1.Disconnect the glow plug relay connector.
2.Measure resistance between terminal C and terminal E.
Standard value: 18 - 22 Ω (at 20°C)
3.Use jumper cables to connect terminal C of the glow plug relay to the battery (+) terminal and terminal E to the battery (-) terminal.
caution
  1. Always be sure to disconnect the harnesses connected to glow plug relay terminals B and G before using the jumper cable.
  2. The terminals of the disconnected harnesses must not be shorted to earth.
  3. When connecting the jumper cable, be very careful not to make a mistake in connecting the terminal, as this will cause damage to the relay.

4.Check the continuity between glow plug relay terminals B and G while disconnecting and connecting the jumper cable at the battery (+) terminal.
Jumper cable at battery (+) terminal
 Continuity between terminals B - G
Connected
 Continuity (0.01 Ω or less)
Disconnected
 No continuity (infinite resistance)