Toyota 1HZ Repair Manual

A-18
SERVICE SPECIFICATIONS - Fuel System
Injection Pump Adjustment (Cont'd)
Load sensing
timer
(w/o HAC
only)
Item
1PZ
Pump
rpm
1,600
No. of
measuring
strokes
200
Injection volume
cc (cu in.)
Measured value at step (f) minus
1.4 (0.09) ± 0.3 (0.02)
Remark
1HZ
1HD-T (Europe)
1HD-T (Others)
1,600
1,800
1,800
200
200
200
Measured value at step (f) minus
1.4 (0.09) ± 0.3 (0.02)
Measured value at step (f) minus
1.6 (0.10) ± 0.6 (0.04)
Measured value at step (f) minus
1.2 (0.07) ± 0.2 (0.01)
Set to
starting
point
1PZ
1HZ
Item Pump rpm
1,600
1,600
200
200
9.08-9.88 (0.55-0.60)
8.2 (0.50) or more
Check
ending
point
Timer piston fluctuation mm (in.)
Idle speed
1PZ
1HZ
1HD-T (Europe)
1HD-T (Others)
1,600
1,600
1,440
1,440
2.19 - 3.1 9 (0.0862 - 0.1 256)
2.73 - 3.73 (0.1075 - 0.1 469)
0.70 - 1.70 (0.0276 - 0.0670)
1.96 - 2.96 (0.0772 - 0.1165)
Item
1PZ
1HZ (M/T)
1 HZ (A/T)
Adjusting
lever angle
Minus
1 2 - 22°
Minus
1 2 - 22°
Minus
12-22°
Pump rpm
325
300
400
375
350
450
325
375
350
450
375
No. of
measuring
strokes
Injection volume
cc (cu in.)
200
200
200
200
200
200
200
200
200
200
200
q = 2.94-3.94
(0.18-0.24)
0.4
(0.02)
Variation
limit
cc (cu in.)
More than q plus
0.5 (0.03)
q minus 1.2 - 2.2
(0.07-0.13)
q = 2.30-3.30
(0.14-0.20)
0.4
(0.02)
More than q plus
0.5 (0.03)
q minus
1.2-2.2
(0.07-0.13)
2.60-3.60
(0.16-0.22)
0.4
(0.02)
q = 2.30-3.30
(0.07-0.20)
0.4
(0.02)
More than q plus
0.5 (0.03)
q minus 1.2 - 2.2
(0.07-0.13)
1.64-2.64
(0.10-0.16)
0.4
(0.02)

Toyota 1HZ Specifications

General

Fuel Type	Diesel
Maximum Power	96 kW (129 hp) at 3800 rpm
Firing Order	1-5-3-6-2-4
Aspiration	Naturally aspirated
Fuel System	Direct injection
Cooling System	Water-cooled
Displacement	4.2 L (4164 cc)
Maximum Torque	285 N·m (210 lb·ft) at 2200 rpm
Valvetrain	SOHC, 12 valves (2 per cylinder)