Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
7 (IG) - 8 (SK)	Sonar switch off	10 kΩ or higher
7 (IG) - 8 (SK)	Sonar switch on	Below 1 Ω

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

(b) Check that the switch illuminates.

OK:

Tester Connection

Specified Condition

Battery positive (+) → Terminal 1 (ILL+)

Battery negative (-) → Terminal 6 (ILL-)

Illuminates

If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

Text in Illustration

*a	Component without harness connected (Back Sonar or Clearance Sonar Switch Assembly)

Toyota Tundra Service Manual > Sfi System: Camshaft Position Sensor "A" (Bank 1 Sensor 2) (P1340,P1342,P1343)
DESCRIPTION The camshaft position sensor (G signal) consists of a magnet and MRE (Magnetoresistive Element). The camshaft drive gear (LH) has 3 teeth on its outer circumference. When the camshaft gear rotates, the air gap between the protrusion on the gear and the MRE changes. The change affects the ...

Toyota Tundra Owners Manual