Electrical 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 122°F (50°C) 69.4 - 88.5 kOhms
At 212°F (100°C) 11.9 - 14.4 kOhms
At 302°F (150°C) 2.8 - 3.6 kOhms

[2] California Only.

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

Distributor Signal Generator (Pickup Coil):
Between terminals G and G- 205 - 255 Ohms
Between terminals Ne and G- 205 - 255 Ohms

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

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

Throttle Position Sensor (w/o ECT):

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

-- 0.020in.(0.50mm) C NC
-- 0.035in.(.90mm) 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

0in. (0mm) VTA - E2 0.2 - 0.8 kOhms
0.020in. (0.50mm) IDL - E2 2.3 kOhms or less
0.028in. (0.70mm) IDL - E2 Infinity
Full Open VTA-E2 3.3 - 10 kOhms
-- VC - E2 3 - 7 kOhms

Air Flow Meter:

BETWEEN TERMINALS RESISTANCE

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

20 - 1200 Ohms
(Measuring plate fully open)

VC - E2 3,000 - 7,000 Ohms

FC - E1 Infinity
(Measuring plate fully closed)

Zero
(Other positions)

THA - E2

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