System Specifications

TIMING:

Base Ignition Timing 10° BTDC At Idle [1]
Advance Ignition Timing 13 - 22° BTDC At Idle [1]

[1] Refer to ADJUSTMENT PROCEDURES.

RESISTANCE:

EGR Gas Temperature Sensor [2]
At 50°C (122°F) 69.4 - 88.5K Ohms
At 100°C (212°F) 11.9 - 14.4K Ohms
At 150°C (302°F) 2.8 - 3.6K Ohms

[2] California Only.

Ignition Coil:
Primary 0.38-0.46 Ohms
Secondary 7.7-10.4K Ohms

Distributor Signal Generator (Pickup Coil):
Between terminals G and G- 140-180 Ohms
Between terminals Ne and G- 148-220 Ohms

Idle Speed Control (ISC) Valve:
Between terminals B+ and ISC1 or ISC2 16-17 Ohms

Coolant Temperature Sensor:
At -20°C (-4°F) 10-20K Ohms
At 0°C (32°F) 4-7K Ohms
At 20°C (68°F) 2-3K Ohms
At 40°C (104°F) 0.9-1.3K Ohms
At 60°C (140°F) 0.4-0.7K Ohms
At 80°C (176°F) 0.2-0.4K Ohms

Throttle Position Sensor (w/o ECT):

THROTTLE OPENING ANGLE CLEARANCE BETWEEN BETWEEN TERMINALS
(from vertical) STOP SCREW AND LEVER IDL-E1 PSW-E1

-- 0.50mm(.020in) C NC
-- 0.90mm(.035in) NC NC
Full Open -- NC C
71° -- NC NC
81° -- NC C
7.5° or less -- C NC

C=continuity
NC=no continuity

Throttle Position Sensor (w/ ECT):

CLEARANCE BETWEEN BETWEEN TERMINALS RESISTANCE
STOP SCREW AND LEVER

0mm (0in) VTA-E2 0.2-0.8K Ohms
0.50mm (.020in) IDL-E2 2.3K Ohms or less
0.70mm (.028in) IDL-E2 Infinity
Full Open VTA-E2 3.3-10K Ohms
-- VC-E2 3-7K Ohms

Air Flow Meter:

BETWEEN TERMINALS RESISTANCE

VS-E2 200-600 Ohms
(Measuring plate fully closed)

20-1200 Ohms
(Measuring plate fully open)

VC-E2 200-400 Ohms

FC-E1 Infinity
(Measuring plate fully closed)

Zero
(Other positions)

THA-E2

At -20°C (-4°F) 10-20K Ohms
At 0°C (32°F) 4-7K Ohms
At 20°C (68°F) 2-3K Ohms
At 40°C (104°F) 0.9-1.3K Ohms
At 60°C (140°F) 0.4-0.7K Ohms