Engine Mechanical

Ignition timing

~1min read
1special tools

INSPECTION

1. REMOVE BATTERY CLAMP COVER

2. REMOVE INTAKE AIR CONNECTOR

3. REMOVE V-BANK COVER

4. WARM UP ENGINE

Allow the engine to warm up to the normal operating temperature.

5. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL

CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL
(a) Connect the TOYOTA hand-held tester or OBD II scan tool to the DLC3.

(b) Please refer to the TOYOTA hand-held tester or OBD II scan tool operator's manual for further details.

6. CONNECT TIMING LIGHT TO ENGINE

CONNECT TIMING LIGHT TO ENGINE

Connect the tester probe of a timing light to the wire of the ignition coil connector for No.1 cylinder.

7. CHECK IDLE SPEED

(a) Race the engine speed at 2,500 rpm for approx. 90 seconds.

(b) Check the idle speed.

Idle speed: 700 +- 50 rpm

8. INSPECT IGNITION TIMING

INSPECT IGNITION TIMING

(a) Using SST, connect terminal TC and E1 of the DLC1.

SST 09843-18020

INSPECT IGNITION TIMING

(b) Using a timing light, check the ignition timing.

Ignition timing: 5 - 15 BTDC @ idle (Transmission in neutral position)

(c) Remove SST from the DLC1.

SST 09843-18020

9. DISCONNECT TIMING LIGHT FROM ENGINE

10. DISCONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL

11. REINSTALL V-BANK COVER

12. REINSTALL INTAKE AIR CONNECTOR

13. REINSTALL BATTERY CLAMP COVER

Test yourself

A quick Toyota Land Cruiser quiz: every answer comes with an explanation and a link to the manual page.