Toyota T100 1996 Service Manual page 399

5 Check idle speed.
PREPARATION:
(a) Warm up the engine to normal operating temperature.
(b) Switch off all the accessories.
(c) Switch off air conditioning.
(d) Shift the transmission into "N" position.
(e) Connect the OBD II scan tool or TOYOTA hand−held tester to the DLC3 on the vehicle.
CHECK:
Use "CURRENT DATA" to check the idle speed.
OK:
Idle speed: 650 − 750 rpm
OK
6 Check ignition timing.
E1
DLC1
TE1
DLC1
P19970
P21121
OK
Proceed to problem symptoms table on page
DI−148.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS −
NG
PREPARATION:
SST
(a) Warm up the engine to normal operating temperature.
(b) Shift the transmission into "N" position.
(c) Keep the engine speed at idle.
(d) Using SST, connect terminals TE1 and E1 of the DLC1.
SST
(e) Using a timing light, connect the tester to the No.1 high−
tension cord.
CHECK:
Check the ignition timing.
OK:
Ignition timing: 8 − 12° BTDC at idle
NG
A00097
ENGINE (5VZ−FE)
Proceed to problem symptoms table on page
DI−148.
09843−18020
Proceed to page Ignition system and continue
to troubleshoot.
DI−135